-áō

From Proto-Indo-European *-eh₂yéti. Cognates include Latin -āre (the whole first conjugation in the present) together with its Proto-Italic ancestor *-āō, -अयति (-ayati) (for the causative in Sanskrit), Proto-Celtic *-āti, Proto-Germanic *-ōną (referring again to the whole conjugation in which the infinitive is *-ōną) and Proto-Balto-Slavic *-ā́ˀtei (whence the infinite Proto-Slavic *-ati).

Pronunciation IPA^(key): /á.ɔː/ → /ˈa.o/ → /ˈa.o/

Suffix

-ᾰ́ω • (-áō)

1. Forms verbs, usually from nouns in -ᾱ (-ā), -η (-ē)