Where does “-со-” come from?

-со- (Moksha) comes from Moksha -са, from Proto-Uralic -ŋa — at, in.

Ancestry of “-со-”, step by step

StepLanguageWordMeaning
1Moksha-саinessive suffix
2Proto-Uralic-ŋaat, in

Words derived from “-со-”

Every word from Proto-Uralic -ŋa →Every word from Moksha -са →
-со- — Etymology, Origin & Word History | Etymology Explorer