from Old East Slavic (Dŭněprŭ), with further origins disputed Dobra: from Celtic *dubro 'dark': MIr. dobur 'black, unclean', MW dwfr 'water', MBret. dour (PIE *deubh-). Drave: in Latin "Dravus", of Thracian or Illyrian origin, probably from PIE *dhreu = "to flow, to fall". Don (Aberdeenshire, Scotland): from Celtic Devona 'goddess' Ialomiţa: Slavic "jalov" = "infertile" Prahova: Slavic "prag"="waterfall" or "prah"="dust" Siret: ancient Thracian "Seretos", probably from PIE *sreu = "to flow" Emajõgi: Estonian meaning "mother river" Erne: Irish after the name of the mythical princess, Éirne Foyle: Irish meaning "estuary of the lip" Guadalquivir: from the Arabic wadi al-kabir, or "great river" Hayle: from Cornish Heyl "estuary" Kymijoki: Old Finnish for kymi, "huge river" Lagan: Irish meaning "river of the low-lying district" Llobregat: from Latin Rubricatus "red river" Mersey: Anglo Saxon meaning "boundary river" Narva: Veps after "rapid" or "falls" Quoile: Irish meaning "the narrow" Rhine: from the archaic German Rhine, which in turn comes from Middle High German: Rin, from the Proto-Indo-European root *reie- ("to flow, run"). The Reno River in Italy shares the same etymology. Severn: Latin "Sabrina" from an Old British river goddess of that name, becoming "Hafren" in modern Welsh Shannon: Irish Sionann, name of a river goddess, Old Irish Sinann, from sen 'old, ancient' Slaney: Irish meaning "river of health" River Tay: Celtic river goddess Tawa (Tava, Tatha, "the silent one") Tambre (river). From Tamaris with the same root that Tamar. Thames: Latin "Tamesis" from Brythonic meaning "dark river" The River Thame and River Tamar, and probably the three rivers called River Tame, have a similar etymological root Tyne: Brythonic meaning "river" Torne älv: Likely of Finnish origin, meaning "spear" Volga River: Slavic влага "vlaga", волога "vologa" meaning "wetness", "humidity"; alternatively, Proto-Uralic *valki- "white"; alternatively, Russian velikij "great" Wear: Brythonic meaning "water" North America Athabasca: From the Woods Cree word aðapaskāw, "[where] there are plants one after another". Bow: After the reeds growing along its banks, which were used by the local Indians to make bows. Brazos: From the Spanish Los Brazos de Dios, or "the arms of God". There are several different explanations for the name, all involving it being the first water to be found by desperately thirsty parties. Canadian River: The etymology is unclear. The name may have come from French-Canadian traders and hunters who traveled along the river, or early explorers may have thought that the river flowed into Canada. Chattahoochee: