Proto-Slavic *kremy

→ Belarusian крэмень (inherited)

→ Bulgarian кремък (inherited)

→ Czech křemen (inherited)

→ Old Church Slavonic кремꙑ (inherited)

→ Lower Sorbian kśemjeń (inherited)

→ Persian خرمک (cognate)

→ Upper Sorbian křemjeń (inherited)

→ Macedonian кремен (inherited)

→ Polish krzemień (inherited)

→ Polabian kremin (inherited)

→ Romanian cremene (mention)

→ Russian кремень (inherited)

→ Serbo-Croatian kremen (inherited)

→ Serbo-Croatian кремен (inherited)

→ Ukrainian кремінь (inherited)