proper noun/daˈnubjo/
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)
Related: danubiano, salmón del Danubio
Learned borrowing from Latin Dānubius, from Proto-Celtic *Dānowyos, an extended form of the river-name *Dānu, from Proto-Indo-European *déh₂nu (“river goddess”), akin to *dʰenh₂- (“to set in motion; to flow”).