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

[ʔ]→[h]Certainty: 5/5Commonality: 4/5

Glottal stop to Voiceless glottal fricative

The shift from a glottal stop [ʔ] to a glottal fricative [h] is a process of glottal spirantization. This is a form of lenition where the complete closure of the vocal folds (the stop) weakens into a partial closure that allows air to escape, creating audible friction (the fricative). This shift is particularly common in Afroasiatic and Polynesian languages.

Phonetic Effects

Lenition, Glottal Spirantization

Language Examples

[ʔ] (Hamza)→[h]— Occurs in certain dialects, particularly in unstressed or final positions where the closure is incomplete.
[ʔ]→[h]— Documented weakening of glottal stops in various island dialects.

Related Transformations

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