Where does “nigritarsis” come from?

nigritarsis (Latin) comes from Latin Tarsus, from Ancient Greek Ταρσός, from Proto-Finnic tarša.

nigritarsis (Latin): black-footed, black-toed

Definitions

Step	Language	Word	Meaning
1	Latin	Tarsus	—
2	Ancient Greek	Ταρσός	Tarsus
3	Proto-Finnic	tarša	—

nigritarsis — Etymology, Origin & Word History | Etymology Explorer