Where does “adiuvo” come from?

adiuvo (Latin) comes from Latin ad-, from Proto-Italic *ad-.

Ancestry of “adiuvo”, step by step

Step	Language	Word	Meaning
1	Latin	ad-	to; usually prefixed to verbs, in which cases it...
2	Proto-Italic	*ad-	—

adiuvo — Etymology, Origin & Word History | Etymology Explorer