Where does “aivojenpesu” come from?

aivojenpesu (Finnish) comes from Finnish pesu, from Finnish -u, from Proto-Finnic -u — Forms nouns from adjectives, nouns.

aivojenpesu (Finnish): Synonym of aivopesu

Definitions

  1. Synonym of aivopesu

Ancestry of “aivojenpesu”, step by step

aivojenpesu traces back through two separate lines of ancestry.

via Finnish pesu

StepLanguageWordMeaning
1Finnishpesuwash, washing
2Finnish-uForms nouns from verbs. Most common with "e"- and...
3Proto-Finnic-uForms nouns from adjectives, nouns

via Finnish aivot

StepLanguageWordMeaning
1Finnishaivotbrain
2Proto-Finnicaivobrain
3Proto-Uralicajŋebrain
Every word from Proto-Finnic -uEvery word from Finnish -uEvery word from Finnish pesu