Where does “extraneāre” come from?

extraneāre (Latin) comes from Latin extrāneus, from Latin -āneus, from Latin -eus, from Proto-Italic *-eos — Forms adjectives indicating being formed out of a material.

Ancestry of “extraneāre”, step by step

Step	Language	Word	Meaning
1	Latin	extrāneus	foreign
2	Latin	-āneus	forming adjectives Of or pertaining to; -aneous
3	Latin	-eus	argentum + API → argenteus; ferrum + API →...
4	Proto-Italic	*-eos	Forms adjectives indicating being formed out of a material

Words derived from “extraneāre”

estrañar

Every word from Proto-Italic *-eos →Every word from Latin -eus →Every word from Latin -āneus →