Where does “avowen” come from?

avowen (Middle English) comes from Old French avouer, from Latin advocāre, from Latin Ad, from Latin illic, from Latin ille, from Latin olle, from Proto-Italic *olnos.

Ancestry of “avowen”, step by step

Step	Language	Word	Meaning
1	Old French	avouer	—
2	Latin	advocāre	—
3	Latin	Ad	—
4	Latin	illic	he, she, it, yonder, that, overthere; in that...
5	Latin	ille	that; those; "; demonstrative pronoun "; that...
6	Latin	olle	Archaic form of ille
7	Proto-Italic	*olnos	—

Words derived from “avowen”

avowed
avowal
avow
avowedly
disavow
unavowed
unavowable
avowable
avower
avoweth
avowest
disavowable
disavowment
disavower
reavow
avowably
reavowal
avowance
avowedness
disavowance
avowableness

Every word from Proto-Italic *olnos →

avowen — Etymology, Origin & Word History | Etymology Explorer