Where does “asiantuntevuus” come from?

asiantuntevuus (Finnish) comes from Finnish asiantunteva, from Finnish asia, from Proto-Finnic acja — matter, case.

Ancestry of “asiantuntevuus”, step by step

StepLanguageWordMeaning
1Finnishasiantuntevaprofessional, expert, well-informed, adept
2Finnishasiaissue, matter, affair, concern, business,...
3Proto-Finnicacjamatter, case
Every word from Proto-Finnic acjaEvery word from Finnish asiaEvery word from Finnish asiantunteva
asiantuntevuus — Etymology, Origin & Word History | Etymology Explorer