Where does “epäuskoisuus” come from?

epäuskoisuus (Finnish) comes from Finnish epäuskoinen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

epäuskoisuus (Finnish): incredulity state of being incredulous or unbelieving

Definitions

  1. incredulity state of being incredulous or unbelieving

Ancestry of “epäuskoisuus”, step by step

epäuskoisuus traces back through two separate lines of ancestry.

via Finnish epäuskoinen

StepLanguageWordMeaning
1Finnishepäuskoinenincredulous, unbelieving
2Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
3Finnish-uusForms nouns from adjectives, expressing a quality
4Proto-Finnic-uc-ness, -hood

via Finnish uus

StepLanguageWordMeaning
1FinnishuusAlternative form of uusi
Every word from Proto-Finnic -ucEvery word from Finnish -inenEvery word from Finnish -uus
epäuskoisuus — Etymology, Origin & Word History | Etymology Explorer