Where does “invernar” come from?

invernar (Spanish) comes from Latin hībernāre, from Latin hībernus, from Proto-Indo-European ǵʰey- — winter.

invernar (Spanish): to hibernate, to winter

Definitions

Step	Language	Word	Meaning
1	Latin	hībernāre	—
2	Latin	hībernus	—
3	Proto-Indo-European	ǵʰey-	winter

invernar — Etymology, Origin & Word History | Etymology Explorer