Where does “lupanar” come from?

lupanar (Spanish) comes from Latin lupānar, from Latin lupa, from Latin Lupus, from Proto-Italic lukʷos, from Proto-Indo-European wĺ̥kʷos — wolf.

lupanar (Spanish): brothel

Definitions

Step	Language	Word	Meaning
1	Latin	lupānar	—
2	Latin	lupa	she-wolf; prostitute
3	Latin	Lupus	—
4	Proto-Italic	lukʷos	—
5	Proto-Indo-European	wĺ̥kʷos	wolf

lupanar — Etymology, Origin & Word History | Etymology Explorer