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

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

Voiceless postalveolar affricate to Voiceless glottal fricative

The shift from 'ch' to 'h' represents a dramatic weakening of a complex sound into a simple breath of air.

Phonetic Effects

Debuccalization, Deaffrication, Lenition

Language Examples

[tʃ]→[h]— Intervocalic debuccalization of palatal affricates in younger speakers of Innu (Montagnais).
[tʃ]→[h]— Historical debuccalization: early Terena affricates weakened to glottal fricatives around the 19th–20th century boundary.

Related Transformations

More Lenition Shifts

Sources & References

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