Where does “leming” come from?

leming (Romanian) comes from French lemming, from Norwegian lemming, from Old Norse læmingi, from Undetermined luomek.

leming (Romanian): lemming

Definitions

Step	Language	Word	Meaning
1	French	lemming	lemming
2	Norwegian	lemming	—
3	Old Norse	læmingi	—
4	Undetermined	luomek	—

leming — Etymology, Origin & Word History | Etymology Explorer