Proto-Slavic *verdъ

→ Belarusian верад (inherited)

→ Bulgarian вреда (derived)

→ Czech vřed (inherited)

→ Old Church Slavonic врѣдъ (inherited)

→ Polish wredny (mention)

→ Polish wrzód (inherited)

→ Russian веред (inherited)

→ Russian вред (derived)

→ Serbo-Croatian vrijed (inherited)

→ Old Czech vřěd (inherited)