Where does “камень” come from?

камень (Old East Slavic) comes from Proto-Slavic kamy, from Proto-Indo-European h₂éḱmō, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “камень”, step by step

StepLanguageWordMeaning
1Proto-Slavickamystone
2Proto-Indo-Europeanh₂éḱmōstone
3Proto-Indo-Europeanh₂eḱ-sharp

Words derived from “камень”

Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European h₂éḱmō →Every word from Proto-Slavic kamy →