Where does “osittaispaine” come from?

osittaispaine (Finnish) comes from Finnish osittainen, from Finnish osittain, from Finnish osa, from Proto-Finnic osa, from Proto-Uralic onća — part, share (of meat?).

Ancestry of “osittaispaine”, step by step

osittaispaine traces back through two separate lines of ancestry.

via Finnish osittainen

StepLanguageWordMeaning
1Finnishosittainenpartial
2Finnishosittainpartly
3Finnishosapart; piece; proportion, section
4Proto-Finnicosapart
5Proto-Uraliconćapart, share (of meat?)

via Finnish paine

StepLanguageWordMeaning
1Finnishpainepressure
2Proto-Finnicpainekpressure; emphasis
3Proto-Finnic-ekForms instrument nouns from verbs; Forms result...
4Proto-Uralic-ekForms instrument nouns from verbs; Forms result...
Every word from Proto-Uralic onćaEvery word from Proto-Finnic osaEvery word from Finnish osa