Where does “gallego” come from?

gallego (Spanish) comes from Latin gallaecus, from Proto-Indo-European kl̥H-ní-s — hill.

gallego (Spanish): Galician; Spaniard

Definitions

Step	Language	Word	Meaning
1	Latin	gallaecus	Galician
2	Proto-Indo-European	kl̥H-ní-s	hill

gallego — Etymology, Origin & Word History | Etymology Explorer