Where does “silmäpasko” come from?

silmäpasko (Finnish) comes from Finnish pasko, from Finnish paskoa, from Finnish paska, from Finnish oja, from Proto-Slavic oje, from Proto-Indo-European h₂oyHsos.

Ancestry of “silmäpasko”, step by step

silmäpasko traces back through two separate lines of ancestry.

via Finnish pasko

StepLanguageWordMeaning
1FinnishpaskoIndicative present connegative form of paskoa;...
2FinnishpaskoaTo shit; To destroy
3Finnishpaskashit, crap, turd; bullshit, crap, shit, nonsense;...
4Finnishojaditch, trench; small natural brook
5Proto-Slavicojethill, shaft
6Proto-Indo-Europeanh₂oyHsos

via Finnish silmä

StepLanguageWordMeaning
1Finnishsilmäeye; mesh, opening in a mesh or net
2Proto-Finnicsilmäeye
3Proto-Uralicśilmäeye
Every word from Proto-Indo-European h₂oyHsosEvery word from Proto-Slavic ojeEvery word from Finnish oja