Where does “itsepäisyys” come from?

itsepäisyys (Finnish) comes from Finnish itsepäinen, from Finnish -päinen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

itsepäisyys (Finnish): stubbornness, obstinacy

Definitions

  1. stubbornness, obstinacy

Ancestry of “itsepäisyys”, step by step

itsepäisyys traces back through two separate lines of ancestry.

via Finnish itsepäinen

StepLanguageWordMeaning
1Finnishitsepäinenstubborn, opinionated
2Finnish-päinenOf or pertaining to a head; used only as headword...
3Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
4Finnish-uusForms nouns from adjectives, expressing a quality
5Proto-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