Where does “digástrico” come from?

digástrico (Spanish) comes from Spanish gástrico, from Spanish gastro-, from Ancient Greek γαστήρ, from Ancient Greek -τήρ, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...

digástrico (Spanish): digastric, digastricus

Definitions

digastric, digastricus

Ancestry of “digástrico”, step by step

Step	Language	Word	Meaning
1	Spanish	gástrico	gastric
2	Spanish	gastro-	gastro
3	Ancient Greek	γαστήρ	belly; womb; stomach, appetite
4	Ancient Greek	-τήρ	Added to verb stems to form masculine agent nouns
5	Proto-Indo-European	-tḗr	Derives agent nouns from verbs, denoting someone...

Every word from Proto-Indo-European -tḗr →Every word from Ancient Greek -τήρ →Every word from Ancient Greek γαστήρ →