Where does “yösilmä” come from?

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

Ancestry of “yösilmä”, step by step

yösilmä 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 yö

StepLanguageWordMeaning
1Finnishyöperiod of day Previous: iltayö Next: aamuyö;...
2Proto-Finnicöönight
3Proto-Finno-Ugricüje—
Every word from Proto-Uralic śilmä →Every word from Proto-Finnic silmä →Every word from Finnish silmä →