Where does “menettää” come from?

menettää (Finnish) comes from Finnish mennä, from Proto-Finnic mendäk, from Proto-Uralic mene- — to go.

menettää (Finnish): to lose, miss

Definitions

Step	Language	Word	Meaning
1	Finnish	mennä	to go; to take, pass, spend, go
2	Proto-Finnic	mendäk	to go
3	Proto-Uralic	mene-	to go

menettää — Etymology, Origin & Word History | Etymology Explorer