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

[tʃ]→[ʔ]Certainty: 4/5Commonality: 2/5

Voiceless postalveolar affricate to Glottal stop

The reduction of a complex affricate sound to a simple glottal stop is a dramatic form of lenition known as debuccalization. This occurs when the oral place of articulation is lost, leaving only a laryngeal gesture.

Phonetic Effects

Debuccalization, Lenition, Glottal Replacement

Language Examples

[tʃ]→[ʔ]— Synchronic allophone: /tʃ/ surfaces as [ʔ] in certain metrical positions (non-head syllable codas) due to rhythmic laryngeal alternation.
kitchen [ˈkɪtʃən]→[ˈkɪʔʃən]— Partial debuccalization: the stop component [t] of /tʃ/ glottalizes, yielding [ʔʃ] rather than full [ʔ] replacement.

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