Proto-Slavic *koprъ

→ Bulgarian копър (inherited)

→ Czech kopr (inherited)

→ Old Church Slavonic копръ (inherited)

→ Lower Sorbian kopš (inherited)

→ Macedonian копар (inherited)

→ Polish koper (inherited)

→ Serbo-Croatian kopar (inherited)

→ Serbo-Croatian копар (inherited)

→ Slovak kôpor (inherited)

→ Slovene koper (inherited)

→ Albanian kopër (derived)