Where does “kummeksia” come from?

kummeksia (Finnish) comes from Finnish kumma, from Proto-Finnic kumma — strange, odd.

Ancestry of “kummeksia”, step by step

StepLanguageWordMeaning
1Finnishkummaodd, strange; "in comparative, with negation",...
2Proto-Finnickummastrange, odd
Every word from Proto-Finnic kummaEvery word from Finnish kumma