Where does “sopeuma” come from?

sopeuma (Finnish) comes from Finnish sopia, from Proto-Finnic sopidak, from Proto-Finnic sopa, from Proto-Uralic śopa — clothing.

Ancestry of “sopeuma”, step by step

StepLanguageWordMeaning
1Finnishsopiato fit; to suit, to be suitable; to comport with,...
2Proto-Finnicsopidakto fit; to suit, to be suitable
3Proto-Finnicsopagarment, piece of clothing; clothes
4Proto-Uralicśopaclothing
Every word from Proto-Uralic śopa