Where does “nożysko” come from?

nożysko (Polish) comes from Polish nóż, from Proto-Slavic nožь, from Proto-Slavic -jь, from Proto-Indo-European yós, from Proto-Finnic wiša, from Proto-Indo-Iranian wišás, from Proto-Indo-European wisós — fluidity, slime, poison; poison; poison; slime;...

Ancestry of “nożysko”, step by step

nożysko traces back through two separate lines of ancestry.

via Polish nóż

StepLanguageWordMeaning
1Polishnóżknife
2Proto-Slavicnožьtool for pricking; knife
3Proto-Slavic-jьAdjectival inherited from the Caland roots,...
4Proto-Indo-Europeanyósthat, who, which
5Proto-Finnicwiša
6Proto-Indo-Iranianwišáspoison, venom
7Proto-Indo-Europeanwisósfluidity, slime, poison; poison; poison; slime;...

via Polish noga

StepLanguageWordMeaning
1Polishnogaleg
2Old Polishnogaleg; foot
3Proto-Slavicnogàfoot, leg
4Proto-Indo-Europeanh₃nogʰ-claw, nail; nail
Every word from Proto-Indo-European wisósEvery word from Proto-Indo-Iranian wišásEvery word from Proto-Finnic wiša