Where does “arredro” come from?

arredro (Spanish) comes from Old Spanish arriedro, from Vulgar Latin ad retro, from Latin Ad, from Latin illic, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

arredro (Spanish): back, backward, aback

Definitions

back, backward, aback

Ancestry of “arredro”, step by step

Step	Language	Word	Meaning
1	Old Spanish	arriedro	—
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 “arredro”

arredrar

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