Etymograph
>
Indo-European
>
Proto-Germanic
ô
Classes: overlong mid back vowel
Implicit classes: vocalic V
Features: +back +syllabic +voice
Related rules
Development: Proto-West Germanic
pwgmc-long-o
: {ō|ǭ} > ā / _(r)#, ô > ō
Development: Old English
pwgmc-long-o
: {ō|ǭ} > ā / _(r)#, ô > ō