[b]→[o]Certainty: 2/5Commonality: 1/5

Voiced bilabial plosive to Close-mid back rounded vowel

Vocalization of [b] can result in the mid-back rounded vowel [o], particularly when the labial element merges with surrounding vowels or simplifies from an earlier [u] stage. This process is crosslinguistically rare and typically involves intermediate fricative or glide stages.

Phonetic Effects

Vocalization, Monophthongization

Language Examples

French

[b]→[o]— French historical development (e.g. Latin 'habere' > 'avoir' stages where labials vocalized to vowels/glides).

Related Transformations

Reverse

More Monophthongization Shifts

[ai] → [e] — Monophthongization [ʕ] → [a] — Vocalization [ei] → [e] — Monophthongization [ie] → [i] — Monophthongization [ʎ] → [i] — Vocalization

Sources & References

Spotted a mistake or have a better example?

EchoDrift is community-driven. You can suggest a change directly through GitHub.

Propose an Edit on GitHub