Where does “lupino” come from?

lupino (Esperanto) comes from Esperanto lupo, from Latin Lupus, from Proto-Italic lukʷos, from Proto-Indo-European wĺ̥kʷos — wolf.

lupino (Esperanto): she-wolf

Definitions

Step	Language	Word	Meaning
1	Esperanto	lupo	wolf
2	Latin	Lupus	—
3	Proto-Italic	lukʷos	—
4	Proto-Indo-European	wĺ̥kʷos	wolf

lupino — Etymology, Origin & Word History | Etymology Explorer