Where does “rusoposkinen” come from?

rusoposkinen (Finnish) comes from Finnish ruso, from Finnish ruskea, from Proto-Finnic ruskeda — brown, red.

Ancestry of “rusoposkinen”, step by step

rusoposkinen traces back through two separate lines of ancestry.

via Finnish ruso

StepLanguageWordMeaning
1FinnishrusoSynonym of rusko; red, reddish
2Finnishruskeabrown; A brown color
3Proto-Finnicruskedabrown, red

via Finnish poski

StepLanguageWordMeaning
1Finnishposkicheek
2Proto-Finnicposkicheek
3Proto-Uralicposkecheek
Every word from Proto-Finnic ruskeda →Every word from Finnish ruskea →Every word from Finnish ruso →
rusoposkinen — Etymology, Origin & Word History | Etymology Explorer