Proto-Slavic *bъrzъ

→ Belarusian борзды (inherited)

→ Bulgarian бърз (inherited)

→ Czech brzy (inherited)

→ Persian فرز (cognate)

→ Macedonian брз (inherited)

→ Romanian Bârzava (derived)

→ Romanian Borza (borrowed)

→ Romanian Bârz (derived)

→ Romanian Bârza (derived)

→ Russian борзый (inherited)

→ Serbo-Croatian brz (inherited)

→ Serbo-Croatian брз (inherited)

→ Old Polish barzo (inherited)