Where does “ножонка” come from?

ножонка (Russian) comes from Russian нога́, from Old East Slavic нога, from Proto-Slavic nogà, from Proto-Indo-European h₃nogʰ- — claw, nail; nail.

Ancestry of “ножонка”, step by step

StepLanguageWordMeaning
1Russianнога́foot, leg; legs; leg
2Old East Slavicногаleg
3Proto-Slavicnogàfoot, leg
4Proto-Indo-Europeanh₃nogʰ-claw, nail; nail
Every word from Proto-Indo-European h₃nogʰ- →Every word from Proto-Slavic nogà →Every word from Old East Slavic нога →