The Universal Atlas of Phonetic Evolution
Back to Matrix [m] → [a] Edit this Data

[a]→[m]Certainty: 3/5Commonality: 2/5

Open front unrounded vowel to Bilabial nasal

Similar to the [a] to [n] shift, [a] to [m] occurs through nasalization and subsequent re-consonantalization, typically when influenced by labial environments.

Phonetic Effects

Nasalization, Labialization

Language Examples

-anem (Latin)→-ão [ɐ̃w̃] / [am]— Nasalized diphthongs often involve labial closing that parallels an [m] sound.

Related Transformations

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