Where does “päätesolmu” come from?

päätesolmu (Finnish) comes from Finnish pääte, from Finnish päättää, from Finnish pää, from Proto-Finnic pää, from Proto-Uralic päŋe — head.

Ancestry of “päätesolmu”, step by step

päätesolmu traces back through two separate lines of ancestry.

via Finnish pääte

StepLanguageWordMeaning
1Finnishpääteend, ending; final, terminal, end; terminal
2Finnishpäättääto end, conclude, terminate, finish, bring to a close
3Finnishpäähead; end, tip
4Proto-Finnicpäähead
5Proto-Uralicpäŋehead

via Finnish solmu

StepLanguageWordMeaning
1Finnishsolmuknot; knot, deadlock; vertex
2Proto-Finnicsolmu—
3Proto-Finnicsolmiknot
4Proto-Finno-Ugricćolmeknot, bundle; to bind
Every word from Proto-Uralic päŋe →Every word from Proto-Finnic pää →Every word from Finnish pää →