Where does “Kozinoga” come from?

Kozinoga (Polish) comes from Polish noga, from Old Polish noga, from Proto-Slavic nogà, from Proto-Indo-European h₃nogʰ- — claw, nail; nail.

Ancestry of “Kozinoga”, step by step

Kozinoga traces back through two separate lines of ancestry.

via Polish noga

StepLanguageWordMeaning
1Polishnogaleg
2Old Polishnogaleg; foot
3Proto-Slavicnogàfoot, leg
4Proto-Indo-Europeanh₃nogʰ-claw, nail; nail

via Polish Koza

StepLanguageWordMeaning
1PolishKozagoat
2Proto-Slavickožaskin; leather
3Proto-Slavic-jaSuffix creating feminine action nouns, usually...
4Proto-Indo-European-yeh₂—
Every word from Proto-Indo-European h₃nogʰ- →Every word from Proto-Slavic nogà →Every word from Old Polish noga →