Where does “hjernevaske” come from?

hjernevaske (Norwegian Bokmål) comes from Norwegian Bokmål vaske, from Danish vaske, from Old Norse vaska, from Proto-Germanic waskaną, from Proto-Germanic watskaną, from Proto-Indo-European wed-, from Proto-Indo-European wey- — to wither; fade; to move, go ahead; to be strong;...

hjernevaske (Norwegian Bokmål): to brainwash

Definitions

  1. to brainwash

Ancestry of “hjernevaske”, step by step

hjernevaske traces back through 3 separate lines of ancestry.

via Norwegian Bokmål vaske

StepLanguageWordMeaning
1Norwegian Bokmålvasketo wash
2Danishvaskeplural indefinite of vask; to wash; to shampoo
3Old Norsevaskato wash
4Proto-Germanicwaskanąto wash
5Proto-Germanicwatskanąto wash, get wet
6Proto-Indo-Europeanwed-water
7Proto-Indo-Europeanwey-to wither; fade; to move, go ahead; to be strong;...

via Danish hjerne

StepLanguageWordMeaning
1Danishhjernebrain
2Old Danishhiarnæ
3Old Norsehjarnithe brain
4Proto-Germanichersôcrown of head
5Proto-Indo-Europeanḱerh₂s-head; hornet
6Proto-Indo-Europeanḱerh₂-head, top; horn

via Norwegian Bokmål hjerne

StepLanguageWordMeaning
1Norwegian Bokmålhjernebrain
Every word from Proto-Indo-European wey-Every word from Proto-Indo-European wed-Every word from Proto-Germanic watskaną