Where does “seinähullu” come from?

seinähullu (Finnish) comes from Finnish seinä, from Proto-Finnic saina — wall.

seinähullu (Finnish): lunatic, batshit crazy

Definitions

  1. lunatic, batshit crazy

Ancestry of “seinähullu”, step by step

seinähullu traces back through two separate lines of ancestry.

via Finnish seinä

StepLanguageWordMeaning
1Finnishseinäwall; mains; Essive singular form of sei
2Proto-Finnicsainawall

via Finnish hullu

StepLanguageWordMeaning
1Finnishhullucrazy, mad, insane; A crazy, mad or insane...
2Proto-Finnichullucrazy, mad
Every word from Proto-Finnic saina →Every word from Finnish seinä →