Where does “peaaju” come from?

peaaju (Estonian) comes from Estonian pea, from Proto-Finnic pää, from Proto-Uralic päŋe — head.

peaaju (Estonian): brain

Definitions

  1. brain

Ancestry of “peaaju”, step by step

peaaju traces back through two separate lines of ancestry.

via Estonian pea

StepLanguageWordMeaning
1Estonianpeahead; almost; soon, immediately, quickly
2Proto-Finnicpäähead
3Proto-Uralicpäŋehead

via Estonian aju

StepLanguageWordMeaning
1Estonianajubrain
2Proto-Uralicajŋebrain
Every word from Proto-Uralic päŋeEvery word from Proto-Finnic pääEvery word from Estonian pea