Old Church Slavonic камꙑ

← Proto-Indo-European *h₂eḱ- (root)

← Proto-Indo-European *h₂éḱmō (derived)

← Polish kamień (cognate)

← Russian ка́мень (cognate)

← Serbo-Croatian kȃm (cognate)

← Serbo-Croatian kȁmēn (mention)

← Proto-Slavic *kamy (inherited)

→ Lithuanian akmuo (cognate)