Where does “entero-” come from?

entero- (Spanish) comes from Ancient Greek ἔντερον, from Proto-Indo-European h₁énteros, from Proto-Indo-European -teros — Contrastive or oppositional adjectival suffix.

entero- (Spanish): entero

Definitions

entero

Ancestry of “entero-”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ἔντερον	guts, viscera intestine, gut, belly, bowel, womb;...
2	Proto-Indo-European	h₁énteros	inside, within
3	Proto-Indo-European	-teros	Contrastive or oppositional adjectival suffix

Words derived from “entero-”

enterocolitis

Every word from Proto-Indo-European -teros →Every word from Proto-Indo-European h₁énteros →Every word from Ancient Greek ἔντερον →