Where does “копытце” come from?

копытце (Russian) comes from Russian копыто, from Proto-Slavic kopyto, from Proto-Indo-European ḱoph₂ós — hoof.

Ancestry of “копытце”, step by step

StepLanguageWordMeaning
1Russianкопытоhoof
2Proto-Slavickopytoclaw; hoof of an animal
3Proto-Indo-Europeanḱoph₂óshoof
Every word from Proto-Indo-European ḱoph₂ós →Every word from Proto-Slavic kopyto →Every word from Russian копыто →
копытце — Etymology, Origin & Word History | Etymology Explorer