Danubius

== Latin == === Alternative forms === Dānuvius === Etymology === From Proto-Celtic *Dānowyos, an extended form of the river-name *Dānu, either from Proto-Indo-European *déh₂nu (“river goddess”) or from Proto-Indo-European *dʰenh₂- (“run, flow”). === Proper noun === Dānubius m sg (genitive Dānubiī or Dānubī); second declension Danube (a river in Europe; flowing 2,850 kilometers from the confluence of the Breg and Brigach at Donaueschingen, Germany, through Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova, and Ukraine, into the Black Sea) Tacitus, Gemanica, chapter 1 (Oxford revised translation) ==== Declension ==== Second-declension noun, singular only. 1Found in older Latin (until the Augustan Age). ==== Descendants ==== All descendants are borrowings.