Proto-Slavic *mьčь

→ Belarusian меч (inherited)

→ Bulgarian меч (inherited)

→ Czech meč (inherited)

→ Old Church Slavonic мечь (inherited)

→ Lower Sorbian mjac (inherited)

→ Upper Sorbian mječ (inherited)

→ Macedonian меч (inherited)

→ Polish miecz (inherited)

→ Russian меч (inherited)

→ Serbo-Croatian meč (inherited)

→ Serbo-Croatian мач (inherited)

→ Serbo-Croatian mač (inherited)

→ Slovak meč (inherited)

→ Ukrainian меч (inherited)

→ Old Czech meč (inherited)