Proto-Slavic *tьmьnъ

→ Belarusian цёмны (inherited)

→ Czech temný (inherited)

→ Old Church Slavonic тьмьнъ (inherited)

→ Lower Sorbian śamny (inherited)

→ Macedonian темен (inherited)

→ Polish ciemny (inherited)

→ Romanian Tâmna (derived)

→ Russian тёмный (inherited)

→ Russian Потёмкин (inherited)

→ Serbo-Croatian taman (inherited)

→ Serbo-Croatian таман (inherited)

→ Slovak temný (inherited)

→ Slovene temen (inherited)

→ Ukrainian темний (inherited)