-oa

Suffix

 * 1)  Instrumental verbal suffix; usually, but not exclusively, appended to nouns to create verbs. Transitive counterpart of -ihui.

Etymology
Conflated:
 * from, from (as applied to stems ending in -a-, compare ).
 * from, from (as applied to stems ending in -a-, compare ; the -o- is a re-extraction from the suffix being applied to stems ending in -a which was labialized by -j).