Where does “leppymättömyys” come from?

leppymättömyys (Finnish) comes from Finnish leppymätön, from Finnish leppyä, from Finnish -ua, from Proto-Finnic -üdäk — Forms mainly passive or anticausative verbs.

leppymättömyys (Finnish): relentlessness

Definitions

  1. relentlessness

Ancestry of “leppymättömyys”, step by step

leppymättömyys traces back through two separate lines of ancestry.

via Finnish leppymätön

StepLanguageWordMeaning
1Finnishleppymätönrelentless, implacable; Negative participle of...
2FinnishleppyäTo relent; To stop being angry
3Finnish-uaForms stative or inchoative intransitive verbs...
4Proto-Finnic-üdäkForms mainly passive or anticausative verbs

via Finnish uus

StepLanguageWordMeaning
1FinnishuusAlternative form of uusi
Every word from Proto-Finnic -üdäkEvery word from Finnish -uaEvery word from Finnish leppyä