Where does “pääjäristys” come from?

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

pääjäristys (Finnish): mainshock maximum shock in an earthquake event

Definitions

  1. mainshock maximum shock in an earthquake event

Ancestry of “pääjäristys”, step by step

StepLanguageWordMeaning
1Finnishpää-main, head, prime, primary, principal, leading
2Finnishpäähead; end, tip
3Proto-Finnicpäähead
4Proto-Uralicpäŋehead
Every word from Proto-Uralic päŋe →Every word from Proto-Finnic pää →Every word from Finnish pää →