Where does “pööripäev” come from?

pööripäev (Estonian) comes from Estonian päev, from Proto-Finnic päivä, from Proto-Uralic päjwä, from Proto-Uralic päje.

pööripäev (Estonian): equinox, solstice

Definitions

  1. equinox, solstice

Ancestry of “pööripäev”, step by step

pööripäev traces back through two separate lines of ancestry.

via Estonian päev

StepLanguageWordMeaning
1Estonianpäevday
2Proto-Finnicpäiväsun; day
3Proto-Uralicpäjwä? warmth; ? sun; ? fire
4Proto-Uralicpäje—

via Estonian pöör

StepLanguageWordMeaning
1Estonianpöörturn, turn around
2Proto-Finnicpöörägrindstone; rotating latch; wheel
3Proto-Finno-Ugricpeŋerä—
Every word from Proto-Uralic päje →Every word from Proto-Uralic päjwä →Every word from Proto-Finnic päivä →