Where does “päähänpälkähdys” come from?

päähänpälkähdys (Finnish) comes from Finnish pälkähdys, from Finnish pälkähtää, from Finnish ahtaa, from Proto-Finnic aktadak, from Proto-Uralic ëkta- — to hang up.

Ancestry of “päähänpälkähdys”, step by step

päähänpälkähdys traces back through two separate lines of ancestry.

via Finnish pälkähdys

StepLanguageWordMeaning
1Finnishpälkähdys—
2Finnishpälkähtääto occur or come (to mind)
3Finnishahtaato cram, stuff, fill, pack full; to supercharge;...
4Proto-Finnicaktadakto hang up, especially traps; grain to dry in a...
5Proto-Uralicëkta-to hang up

via Finnish pää

StepLanguageWordMeaning
1Finnishpäähead; end, tip
2Proto-Finnicpäähead
3Proto-Uralicpäŋehead
Every word from Proto-Uralic ëkta- →Every word from Proto-Finnic aktadak →Every word from Finnish ahtaa →