Where does “kosioretki” come from?

kosioretki (Finnish) comes from Finnish kosia, from Proto-Finnic kosidak — to propose.

Ancestry of “kosioretki”, step by step

kosioretki traces back through two separate lines of ancestry.

via Finnish kosia

StepLanguageWordMeaning
1Finnishkosiato propose to, pop the question
2Proto-Finnickosidakto propose

via Finnish retki

StepLanguageWordMeaning
1Finnishretkitrip; expedition
Every word from Proto-Finnic kosidak →Every word from Finnish kosia →
kosioretki — Etymology, Origin & Word History | Etymology Explorer