Where does “pääisäntä” come from?

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

pääisäntä (Finnish): definitive host, primary host the host in which a parasite reproduces sexually

Definitions

  1. definitive host, primary host the host in which a parasite reproduces sexually

Ancestry of “pääisäntä”, 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 →