Classes: short central open unrounded vowel
Implicit classes: vocalic V
Features: -long +low -high -round +syllabic +voice
Related rules
Origin
lat-laryngeals: H > ∅ / #_C, h₁e > e, h₂e > a, h₃e > o, Ho > o, {eh₁|ēh₂|h₂ē} > ē, {eh₃|oH} > ō, eh₂ > ā, H > a / C_Clat-a-after-labial: o > a / #{m|u̯|kʷ|gʷ|gʷʰ}_