Where does “aivotärähdys” come from?

aivotärähdys (Finnish) comes from Finnish tärähdys, from Finnish tärähtää, from Finnish ahtaa, from Proto-Finnic aktadak, from Proto-Uralic ëkta- — to hang up.

aivotärähdys (Finnish): concussion

Definitions

  1. concussion

Ancestry of “aivotärähdys”, step by step

aivotärähdys traces back through two separate lines of ancestry.

via Finnish tärähdys

StepLanguageWordMeaning
1Finnishtärähdysjolt, percussion
2Finnishtärähtääto jolt, shake
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 aivot

StepLanguageWordMeaning
1Finnishaivotbrain
2Proto-Finnicaivobrain
3Proto-Uralicajŋebrain
Every word from Proto-Uralic ëkta- →Every word from Proto-Finnic aktadak →Every word from Finnish ahtaa →