Why Heritage Speakers Struggle to Relearn Turkish (And Why That's Not a Failure)

A few years ago, a new student came to me for lessons. He was Turkish, both of his parents were Turkish, and he told me this fact quietly, almost as a confession, before we had done anything else. He was ashamed of it. Not ashamed of being Turkish.

Ashamed of how little Turkish he had to show for it.

He was harder to teach than a student with no connection to the language at all. A learner who comes to Turkish from the outside carries no verdict about who they are supposed to be. My student carried one. Every mistake he made confirmed something he already believed about himself before he opened his mouth.

Teaching him taught me that heritage learners face two separate psychological thresholds, and most teaching methods only address the first.

The Two Thresholds Heritage Learners Face

The first threshold is age, and it affects every adult learner of every language.

Krashen's affective filter hypothesis describes it directly: young children typically have very low affective filters, they are not self-conscious about making mistakes, they do not worry about sounding foolish, and they are not comparing themselves to other learners, while self-awareness increases through adolescence and adulthood, along with the potential for the filter to interfere.

This is where the specific frustration adult learners describe comes from, the sense of feeling reduced. A grown adult, someone who is articulate, quick, funny in their first language, opens their mouth in Turkish and produces something flat and slow. The gap between the mind and the mouth reads as stupidity, even though it is simply the ordinary cost of being an adult learner. Speaking is identified as the language skill that causes the highest levels of anxiety for second language learners, precisely because it is the skill with no place to hide the gap.

The second threshold belongs only to heritage learners, and it sits on top of the first.

An outside learner who sounds slow and simple in Turkish is meeting expectations for a beginner. A heritage learner who sounds slow and simple in Turkish is violating an expectation, their own and their family's, that this language already belonged to them.

The first threshold is about competence.

The second is about identity.

My student was fighting both at once, and the second one was doing most of the damage.

You Are Not Starting From Zero, and You Are Not Starting From Fluent

The technical term for someone in this position is a heritage speaker: someone exposed to a language at home from childhood, in reduced or informal conditions, who later wants to recover or extend that knowledge as an adult. This is now its own research field, separate from second language acquisition, because heritage speakers and adult beginners consistently perform differently even when researchers control for age and education.

Linguist Silvina Montrul, who has spent two decades studying heritage bilinguals, frames the open question precisely: does early exposure to the family language, even under reduced input, produce more native-like knowledge than a late-starting adult learner gets from classroom study, and does formal instruction actually help a heritage speaker close the gap (Benjamins, Is the Heritage Language Like a Second Language?).

The answer from the data depends on which part of the language is meant. Heritage speakers tend to outperform late learners on implicit knowledge, the kind that lets you produce a sentence fast and correctly without thinking about why. They tend to underperform on the explicit, metalinguistic layer, the kind that supports conscious reflection on grammar and deliberate self-correction. A comparative study of adult bilinguals found that age of first exposure alone does not determine how someone attains a language as an adult; input conditions and continued use matter just as much (Frontiers in Psychology, Beyond Age).

A heritage learner is not missing Turkish. They are carrying a version of it that was never finished being built, and that has since gone quiet from disuse.

The Suffixes Erode in a Predictable Order

Turkish builds meaning by stacking suffixes onto a root, so a single word can carry tense, evidentiality, possession, and case all at once. This structure is part of what makes Turkish precise and economical to speak. It is also part of what makes it vulnerable to erosion in a bilingual household, because the longer and more specific the suffix chain, the more chances there are for a piece of it to weaken through disuse.

A study of second generation Turkish immigrants in Austria and Germany found exactly this pattern: because Turkish encodes meaning through long chains of bound suffixes, speakers under-use that morphological complexity over time, and the researchers found that reading and writing eroded faster than speaking and listening, with most sustained input coming from home rather than school (Language Education and Technology Journal).

One specific casualty shows up again and again in the research: the evidentiality system carried by -mış and -DI. A study of Turkish heritage speakers in the UK found reduced sensitivity to evidentiality violations, meaning speakers would sometimes reach for -DI in a context that called for the indirect, non-witnessed -mış form, and vice versa. Another study, of Turkish-German returnees who moved back to Türkiye as adults, tracked lexical collocations built with the light verbs yap- and et-.

Returnees who had been back for one year avoided yap- collocations and over-corrected toward et-, producing hypercorrect forms a native speaker would not choose. Returnees who had been back for seven years produced collocations statistically indistinguishable from monolingual Turkish speakers (Cambridge, Ultimate Attainment in the Use of Collocations).

That seven year figure is worth sitting with. It is not seven years of classroom study. It is seven years of live, daily reimmersion. Recovery is slow, but it also follows a track record rather than stalling indefinitely. For a grounded look at timelines more generally, my honest answer on how long it takes to learn Turkish applies here too, with one adjustment: a heritage learner's clock does not start at zero, it starts from wherever their childhood input left off, which is different for every person.

Recovery Works Like Reactivation

The returnee data points to something practically useful: heritage language recovery behaves like reactivation, not first acquisition. A 2023 study of Turkish-German returnees examined which external factors sped up or slowed down this reactivation after they moved to Türkiye. The researchers found that the speed and completeness of recovery depended heavily on the intensity and type of contact after return, not simply on the passage of time or the age at which the person had first learned Turkish (Frontiers in Psychology, The Role of External Factors on the Reactivation of the Heritage Language of Turkish-German Returnees).

This points away from two opposite instincts. One expects passive exposure, a Turkish show here, a phone call with a grandparent there, to reactivate a dormant system on its own, when the contact is too shallow for that. The other enrolls in a curriculum built for someone with zero prior exposure, which wastes a heritage learner's time on material their ear already half-knows, while never targeting the specific fragile spots, evidentiality, light verb collocations, that actually need deliberate rebuilding.

The Research Reaches Back Into Türkiye

Most of the studies above come from universities in Germany, the Netherlands, the UK, and the United States, which tracks with where the largest Turkish diaspora communities live. But Türkiye is not absent from this research. Turkish universities study heritage Turkish directly, and Türkiye shows up as a reference point even in studies conducted abroad.

A 2025 scoping review maps the entire field of Turkish heritage language research, written by Gülin Dağdeviren-Kırmızı of Başkent University, whose work centers on language loss, heritage language, and family language policy, and Melike Üzüm of Hacettepe University, whose research covers language documentation and evidentiality in Turkic languages (SAGE, Turkish as a Heritage Language: A Scoping Review). A review like this does not generate new data on its own. It takes stock of what the existing studies actually show and where the real gaps sit, from inside Turkish academia rather than looking in from outside it.

Applied research exists too. A study out of Yıldız Technical University examined the difficulties parents and teachers face in teaching Turkish to Turkish children growing up in Finland, using qualitative interviews built around lived experience rather than laboratory tasks (Finlandiya'daki Türk Çocuklarına Türkçe Öğretimi Üzerine Bir Araştırma). This is the practical, on-the-ground side of the same question the linguistic studies measure in the abstract.

Türkiye also functions as the baseline against which diaspora Turkish gets measured.

A study of the temporal converbial suffix -DIK in Dutch-Turkish bilinguals collected comparison data directly from monolingual speakers in Türkiye to determine whether contact with Dutch was reshaping the grammar (Miras Dil Olarak Türkçede Değinim-Kaynaklı Değişim). A separate study of definiteness marking tested 49 monolingual speakers from Türkiye against 32 heritage speakers from the United States on the same acceptability judgment task (Languages, Transgenerational Differences in Turkish Heritage Speakers). In both cases, the Turkish spoken in Türkiye is the fixed point everything else gets compared to, even when the researchers themselves are based abroad.

The Shame Underneath the Frustration

Two different things get spoken about as if they are the same. One is the universal frustration of adult language learning, the feeling of being a witty, capable adult who suddenly sounds slow and simple, and calling yourself an idiot for it. This happens to every adult learner of every language, heritage or not, and it is the affective filter doing exactly what Krashen described.

The other is specific to heritage learners, and it is closer to what psychologists call shame rather than ordinary frustration. Researchers distinguish the two carefully: guilt encourages apologies and mending of a specific situation, while shame is often confused with embarrassment, which does not have such negative and lasting consequences on the sense of self, and represents a distinct affective experience, since shame is linked to perceived deficiencies of one's core self, while embarrassment arises from perceived deficiencies in one's presented self.

Research specifically on heritage language classrooms found that content meant to celebrate a heritage language can paradoxically resurface shame and guilt in learners who feel they failed to maintain it, and that many students described the shame of being placed in a class at all, since the class itself signals to them that they let the language deteriorate. The same study found that heritage speakers across many different languages describe a specific ache: the gap between the self they present in the heritage language and the self they feel they are supposed to be (Modern Language Journal, Realities of Comfort and Discomfort in the Heritage Language Classroom).

My student's case was this second kind. He was not frustrated at sounding slow. He was ashamed of being seen as someone who did not know what he was supposed to already know. Lowering that particular filter took longer than any grammar point we worked on, because grammar was never really the problem.

What a Baby's Timeline Actually Looks Like

Here is a fact that heritage learners rarely hear framed as reassurance. A child raised in a Turkish speaking household typically hears the language continuously for roughly the first year of life before producing a single recognizable word, and several more years before producing full, grammatically organized sentences. That is with language acquisition as the child's only occupation, no job, no other language competing for attention, and thousands of hours of direct, patient, repeated input from people with unlimited motivation to keep talking to them.

An adult heritage learner, relearning the same language while working a job, thinking primarily in another language, and getting a fraction of that daily input, is not failing by taking years to rebuild fluency. They are, if anything, moving fast relative to the original timeline. The years a returnee spends reactivating collocations and evidentiality after moving to Türkiye are roughly the same order of magnitude a child needed the first time, compressed by everything the adult already has in place from childhood.

Why a Classroom Built for Beginners Can Make This Worse

Linguist Guadalupe Valdés, whose work shaped how heritage learners are now understood in language pedagogy, made a distinction that still holds: students who learn a language purely in school, with no use of it outside class, are working with a fundamentally different starting material than heritage speakers, who already use the language, however unevenly, to meet real communicative needs in daily life (JSTOR Daily, Heritage Bilinguals and the Second-Language Classroom).

Put a heritage learner through a standard beginner curriculum and two things happen at once. Early lessons move too slowly, since the learner's ear already recognizes rhythm, vocabulary, and basic structure. And the curriculum never reaches the specific fragile points that actually need deliberate attention. The learner ends up bored in the parts they do not need and unsupported in the parts they do.

What This Looks Like in Practice

For a heritage learner working to rebuild rather than start over, a few adjustments matter more than any single method.

Media in Turkish with Turkish subtitles, rather than subtitles in a dominant language, keeps Turkish in charge of comprehension instead of routing everything through translation. Reading and writing deserve deliberate attention, since research on Turkish heritage speakers in Austria and Germany found these skills erode faster than speaking and listening, meaning they are often the most neglected in casual reimmersion. A study routine works best when it targets the fragile grammatical points directly, the -mış/-DI distinction, common yap- and et- pairings, case suffixes under fast speech, rather than everyday vocabulary the learner already half-knows. And conversations with family carry more weight when they are reframed, deliberately, away from a test of belonging and toward practice with people who already love the learner regardless of the outcome. That reframing addresses the second threshold directly, not just the first.

None of this is fast, and it is not supposed to be. For a learner who wants a structured starting point that still respects what they already carry, my guide to how Turkish is actually learned and the grammar pages are built to be entered at any level, not only from the beginning.

A Closing Thought

My student's shame was common, well documented, and not a verdict on him. He was not behind. He was mid-repair on a system that was interrupted rather than one that failed to install. The age threshold he faced belongs to every adult learner. The second threshold, the one that made him introduce himself with an apology, belongs to heritage learners specifically, and it deserves to be named rather than treated as ordinary beginner nerves. Recovery is real. It is documented in returnee populations who lived it, and it starts with treating the language you already carry as something to rebuild rather than something to apologize for.

Add Learn Turkish with Seda as a Preferred Source on Google for more entries on Turkish language, history, and culture.

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Frequently Asked Questions (FAQ)

Q: Is it too late to relearn Turkish as an adult heritage speaker?

A: No. The most documented evidence comes from Turkish-German returnees who moved to Türkiye as adults, where some participants eventually reached performance close to monolingual norms, though this typically followed years of sustained daily contact rather than months. The same logic, that recovery depends on sustained contact rather than on age or a fixed window, is consistent with what heritage language research finds more broadly.

Q: Why do I understand Turkish but struggle to speak it correctly?

A: This is a well documented pattern in heritage speakers. Comprehension relies on implicit knowledge built through early exposure, which tends to stay relatively robust. Speaking requires actively retrieving and assembling that same knowledge in real time, a skill that weakens without regular use, independent of how much a person actually understands.

Q: Why does relearning Turkish feel more shameful than learning any other language would?

A: Because heritage learners face a psychological threshold beginners do not. An outside learner who sounds like a beginner is meeting expectations. A heritage learner who sounds like a beginner is confronting the gap between what they feel they should already know and what they can currently produce.

Q: Why do I mix up -mış and -di?

A: These suffixes mark evidentiality, whether you witnessed something directly or are reporting it secondhand. Research on Turkish heritage speakers consistently identifies this distinction as one of the areas most affected by reduced input, so mixing them up is a documented pattern, not a personal failing.

Q: Should a heritage learner take the same Turkish course as a total beginner?

A: Not ideally. A curriculum built for zero prior exposure moves too slowly through material a heritage learner's ear already recognizes, while rarely targeting the specific fragile points, like evidentiality or light verb collocations, that heritage learners actually need to rebuild.

Sources

• Montrul, S. Is the Heritage Language Like a Second Language? https://benjamins.com/catalog/eurosla.12.03mon

• Beyond Age: Exploring Ultimate Attainment in Heritage Speakers and Late L2 Learners. https://pmc.ncbi.nlm.nih.gov/articles/PMC11340529/

• Heritage Language Attrition Among Second-Generation Immigrant Turks Residing in Austria and Germany. http://www.langedutech.com/letjournal/index.php/let/article/view/103

• Ultimate Attainment in the Use of Collocations Among Heritage Speakers of Turkish in Germany and Turkish-German Returnees. https://www.cambridge.org/core/journals/bilingualism-language-and-cognition/article/abs/ultimate-attainment-in-the-use-of-collocations-among-heritage-speakers-of-turkish-in-germany-and-turkishgerman-returnees/D9AB97964F38DC9C3C1C4B15126B0565

• Antonova-Ünlü, E. & Bayram, F. The Role of External Factors on the Reactivation of the Heritage Language of Turkish-German Returnees. https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2023.1156779/full

• The Role of Shame in Language Learning. University of Nottingham. https://www.nottingham.ac.uk/research/groups/languagestextssociety/documents/lts-journal/issue-2/shame-in-language-learning-language-texts-society-issue-2.pdf

• Driver, M. & Prada, J. Realities of Comfort and Discomfort in the Heritage Language Classroom. Modern Language Journal. https://onlinelibrary.wiley.com/doi/10.1111/modl.12899

• Heritage Bilinguals and the Second-Language Classroom. JSTOR Daily. https://daily.jstor.org/how-heritage-bilinguals-change-heritage-bilinguals-and-the-second-language-classroom/

• Dağdeviren-Kırmızı, G. & Üzüm, M. Turkish as a Heritage Language: A Scoping Review of Previous Studies and Suggestions for Future Research. https://doi.org/10.1177/13670069251358077