Where does “Bacigalupo” come from?

Bacigalupo (English) comes from Italian Bacigalupo, from Italian lupo, from Latin lupum, from Latin Lupus, from Proto-Italic lukʷos, from Proto-Indo-European wĺ̥kʷos — wolf.

Ancestry of “Bacigalupo”, step by step

Step	Language	Word	Meaning
1	Italian	Bacigalupo	—
2	Italian	lupo	wolf
3	Latin	lupum	accusative singular of lupus
4	Latin	Lupus	A Roman cognomen
5	Proto-Italic	lukʷos	—
6	Proto-Indo-European	wĺ̥kʷos	wolf

Every word from Proto-Indo-European wĺ̥kʷos →Every word from Proto-Italic lukʷos →Every word from Latin Lupus →