Where does “viidennes” come from?

viidennes (Finnish) comes from Finnish viides, from Proto-Finnic viidenci, from Proto-Finnic viici, from Proto-Uralic witte — five; ten.

viidennes (Finnish): fifth

Definitions

Step	Language	Word	Meaning
1	Finnish	viides	fifth
2	Proto-Finnic	viidenci	fifth
3	Proto-Finnic	viici	five
4	Proto-Uralic	witte	five; ten

viidennes — Etymology, Origin & Word History | Etymology Explorer