Greek Δούναβης

← Proto-Celtic *Dānowyos (derived)

← Proto-Celtic *Dānu (mention)

← Old Church Slavonic Дунавъ (cognate)

← Old Church Slavonic Дѹнавъ (mention)

← Proto-Germanic *Dōnawjaz (derived)

← Gothic *𐌳𐍉𐌽𐌰𐍅𐌹 (derived)

← Proto-Indo-European *déh₂nu (derived)

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

← Latin Danubius (cognate)

← Macedonian Дунав (cognate)

← Serbo-Croatian Dunav (cognate)

← Proto-Slavic *Dunavь (cognate)

→ Aromanian Duna (cognate)