river continent, Europe ; flowing 2850 km from the confluence of the {{w Breg (river) Breg and Brigach at Donaueschingen, Germany, into the Black Sea in Romania}}.
Attested since at least 1598 (also note Middle English Danby ("Danube") att. in 15th c. Mandeville's Travels).
Borrowed from Middle French Danube, from Old French Danube, from Latin Dānubius, from Proto-Celtic *Dānowyos (compare Welsh river name Donwy), an extended form of the river-name *Dānu, from Proto-Indo-European *déh₂nu ("river goddess"), akin to *dʰenh₂-. Cognate with Latin fōns ("spring"), Persian دنیدن ("to hasten, run"), Ossetian дон ("water"), Sanskrit धन्वति ("it flows, runs").
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