Danube once appears as the mother of Vrtra, "a dragon blocking the course of the rivers." The Finnish word for Danube is Tonava, which is most likely derived from the word for the river in Swedish and German, "Donau". Its Sámi name "Deatnu" means "Great River". It is possible that "dānu" in Scythian as in Avestan was a generic word for "river": "Dnieper" and "Dniestr", from "Danapris" and "Danastius", are presumed to continue Scythian "*dānu apara" "far river" and "*dānu nazdya-" "near river", respectively. The river was known to the ancient Greeks as the "Istros" (Ἴστρος) a borrowing from a Daco-Thracian
Waves of the Danube in Bucharest in 1880. It was dedicated to Emma Gebauer, the wife of music publisher Constantin Gebauer. Composer Émile Waldteufel made an orchestration of the piece in 1886, which was performed for the first time at the 1889 Paris Exposition, and took the audience by storm. It won the march prize to mark the exhibition out of 116 entries. Ivanovici's "Danube Waves" was published in the United States in 1896 and republished in 1903 by the Theodore Lohr Company in an arrangement for piano by Simon Adler. The published version was called "Waves of the Danube." The composition is also