 The river was known to the ancient Greeks as the () a borrowing from a Daco-Thracian name meaning 'strong, swift', from a root possibly also encountered in the ancient name of the Dniester ( in Latin, in Greek) and akin to Iranic 'swift' and Sanskrit () 'swift', from the PIE , 'to flow'.In the Middle Ages, the Greek was borrowed into Italian as and into Turkic languages as , the latter further borrowed into Romanian as a regionalism ().The Thraco-Phrygian name was , "the bringer of luck".