Latin Danubius

← Proto-Celtic *Dānowyos (derived)

← Proto-Celtic *Dānu (mention)

← Proto-Indo-European *dʰenh₂- (derived)

← Proto-Indo-European *déh₂nu (derived)

→ Bulgarian Дунав (mention)

→ Czech Dunaj (cognate)

→ Greek Δούναβης (cognate)

→ Macedonian Дунав (cognate)

→ Translingual Danuvius (derived)

→ Polish Dunaj (cognate)

→ Romanian Dunăre (mention)

→ Russian Дунай (mention)

→ Aromanian Duna (derived)

→ Serbo-Croatian Dunav (cognate)

→ Serbo-Croatian Дунав (cognate)

→ Slovak Dunaj (cognate)

→ Slovene Dunaj (cognate)

→ Ukrainian Дунай (mention)