Where does “pääomavastike” come from?

pääomavastike (Finnish) comes from Finnish pääoma, from Finnish pää, from Proto-Finnic pää, from Proto-Uralic päŋe — head.

Ancestry of “pääomavastike”, step by step

pääomavastike traces back through two separate lines of ancestry.

via Finnish pääoma

StepLanguageWordMeaning
1Finnishpääomacapital
2Finnishpäähead; end, tip
3Proto-Finnicpäähead
4Proto-Uralicpäŋehead

via Finnish vastike

StepLanguageWordMeaning
1Finnishvastikesubstitute; compensation, quid pro quo; dues
2Finnishvastatato answer, to reply; to respond
3Proto-Finnicvastat'akto answer, to reply

Words derived from “pääomavastike

Every word from Proto-Uralic päŋeEvery word from Proto-Finnic pääEvery word from Finnish pää