Where does “epäys” come from?

epäys (Finnish) comes from Finnish evätä, from Finnish -tä, from Proto-Finnic -ta, from Proto-Uralic -tä — from.

Ancestry of “epäys”, step by step

epäys traces back through two separate lines of ancestry.

via Finnish evätä

StepLanguageWordMeaning
1FinnishevätäTo deny somebody something, refuse to give...
2Finnish-täFront vowel variant of -ta
3Proto-Finnic-taPartitive ending
4Proto-Uralic-täfrom

via Finnish us

StepLanguageWordMeaning
1Finnishus-ing
Every word from Proto-Uralic -täEvery word from Finnish -täEvery word from Finnish evätä