Where does “alveus” come from?

alveus (Latin) comes from Latin alvus, from Proto-Indo-European h₂él-.

alveus (Latin): a hollow, cavity; a hollow vessel, in the shape...

Definitions

Step	Language	Word	Meaning
1	Latin	alvus	belly, bowels, paunch; excrement; flux,...
2	Proto-Indo-European	h₂él-	—

alveus — Etymology, Origin & Word History | Etymology Explorer