The Universal Atlas of Phonetic Evolution
Back to Matrix [tʃ] → [y] Edit this Data

[y]→[tʃ]Certainty: 5/5Commonality: 4/5

Close front rounded vowel to Voiceless postalveolar affricate

The shift from the high front rounded vowel [y] (or the palatal glide [j] in similar phonetic environments) to the voiceless post-alveolar affricate [tʃ] (represented here as 'ch') is a form of yod-coalescence and palatalization, typically occurring in connected speech or through historical mergers.

Phonetic Effects

Palatalization, Affrication, Yod-Coalescence

Language Examples

don't you [dəʊnt juː]→[dəʊntʃuː]— Common coalescence in fluent speech where the terminal alveolar stop and initial palatal segment merge into an affricate.
nature [ˈneɪtjʊər]→[ˈneɪtʃər]— Historical palatalization of dental stops triggered by the following palatal glide/vowel reflex.

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