Where does “-as” come from?

-as (Cornish) comes from Proto-Celtic -os — Forms verbal nouns corresponding to o-grade causative/iterative verbs.

Ancestry of “-as”, step by step

StepLanguageWordMeaning
1Proto-Celtic-osForms verbal nouns corresponding to o-grade causative/iterative verbs

Words derived from “-as

Every word from Proto-Celtic -os