Where does “căminaș” come from?

căminaș (Romanian) comes from Romanian cămin, from Ukrainian камінь, from Old East Slavic камень, from Proto-Slavic kamy, from Proto-Indo-European h₂éḱmō, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “căminaș”, step by step

StepLanguageWordMeaning
1Romaniancăminfireplace, hearth
2Ukrainianкаміньstone, pebble; stone
3Old East Slavicкамень—
4Proto-Slavickamystone
5Proto-Indo-Europeanh₂éḱmōstone
6Proto-Indo-Europeanh₂eḱ-sharp
Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European h₂éḱmō →Every word from Proto-Slavic kamy →