Where does “arere” come from?

arere (Middle English) comes from Old French ariere, from Vulgar Latin ad retro, from Latin Ad, from Latin illic, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

Ancestry of “arere”, step by step

Step	Language	Word	Meaning
1	Old French	ariere	Alternative form of arire
2	Vulgar Latin	ad retro	to the rear
3	Latin	Ad	toward, to
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	that

Words derived from “arere”

arrear

Every word from Proto-Italic *olnos →Every word from Latin olle →Every word from Latin ille →