Where does “sivusilmin” come from?

sivusilmin (Finnish) comes from Finnish silmä, from Proto-Finnic silmä, from Proto-Uralic śilmä — eye.

Ancestry of “sivusilmin”, step by step

sivusilmin traces back through two separate lines of ancestry.

via Finnish silmä

StepLanguageWordMeaning
1Finnishsilmäeye; mesh, opening in a mesh or net
2Proto-Finnicsilmäeye
3Proto-Uralicśilmäeye

via Finnish sivu

StepLanguageWordMeaning
1Finnishsivupage, side; side; flank
Every word from Proto-Uralic śilmäEvery word from Proto-Finnic silmäEvery word from Finnish silmä