Where does “kamyczek” come from?

kamyczek (Polish) comes from Polish kamyk, from Polish Kamień, from Russian ка́мень, from Old East Slavic камень, from Proto-Slavic kamy, from Proto-Indo-European h₂éḱmō, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “kamyczek”, step by step

StepLanguageWordMeaning
1Polishkamyk—
2PolishKamieństone
3Russianка́меньstone, rock
4Old East Slavicкамень—
5Proto-Slavickamystone
6Proto-Indo-Europeanh₂éḱmōstone
7Proto-Indo-Europeanh₂eḱ-sharp
Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European h₂éḱmō →Every word from Proto-Slavic kamy →