Proto-Indo-European *h₁róseh₂

→ Belarusian раса (inherited)

→ Bulgarian роса (inherited)

→ Czech rosa (inherited)

→ Lower Sorbian rosa (inherited)

→ Upper Sorbian rosa (inherited)

→ Lithuanian rasa (inherited)

→ Latvian rasa (inherited)

→ Macedonian роса (inherited)

→ Polish rosa (inherited)

→ Russian роса (inherited)

→ Sanskrit रसा (inherited)

→ Serbo-Croatian rosa (inherited)

→ Serbo-Croatian роса (inherited)

→ Slovak rosa (inherited)

→ Slovene rosa (inherited)

→ Ukrainian роса (inherited)

→ Old Czech rosa (inherited)