Where does “kyseenomainen” come from?

kyseenomainen (Finnish) comes from Finnish omainen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “kyseenomainen”, step by step

kyseenomainen traces back through two separate lines of ancestry.

via Finnish omainen

StepLanguageWordMeaning
1Finnishomainenclose relative/relation; the family; "genitive +...
2Finnish-uusForms nouns from adjectives, expressing a quality
3Proto-Finnic-uc-ness, -hood

via Finnish kyse

StepLanguageWordMeaning
1Finnishkysematter
2FinnishkysyäTo ask, inquire/enquire; To take, require,...
3Proto-Finnicküsüdäkto ask, to enquire
Every word from Proto-Finnic -ucEvery word from Finnish -uusEvery word from Finnish omainen