Where does “aivopähkinä” come from?

aivopähkinä (Finnish) comes from Finnish aivot, from Proto-Finnic aivo, from Proto-Uralic ajŋe — brain.

aivopähkinä (Finnish): brain-teaser

Definitions

  1. brain-teaser

Ancestry of “aivopähkinä”, step by step

aivopähkinä traces back through two separate lines of ancestry.

via Finnish aivot

StepLanguageWordMeaning
1Finnishaivotbrain
2Proto-Finnicaivobrain
3Proto-Uralicajŋebrain

via Finnish pähkinä

StepLanguageWordMeaning
1Finnishpähkinänut; hazel; puzzle, riddle; difficult problem,...
2Proto-Finno-Permicpäškɜ—
Every word from Proto-Uralic ajŋe →Every word from Proto-Finnic aivo →Every word from Finnish aivot →