Proto-Slavic *terzvъ

→ Belarusian цвярозы (inherited)

→ Bulgarian трезв (inherited)

→ Czech střízvý (inherited)

→ Old Church Slavonic трѣзвъ (derived)

→ Macedonian трезен (mention)

→ Polish trzeźwy (inherited)

→ Romanian treaz (borrowed)

→ Russian трезвый (derived)

→ Russian тверёзый (inherited)

→ Russian терёзвый (inherited)

→ Slovak triezvy (inherited)

→ Ukrainian тверезий (inherited)