Danube name meaning "strong, swift" (akin to Sanskrit "iṣiras" "swift"). In Latin, the Danube was variously known as ' or as '. The Dacian/Thracian name was "Donaris" for the upper Danube and "Istros" for the lower Danube. The Thraco-Phrygian name was "Matoas", "the bringer of luck". The Latin name is masculine, as are all its Slavic names, except Slovenian, (the name of the Rhine is also masculine in Latin, most of the Slavic languages, as well as in German). The German "Donau" (Early Modern German "Donaw, Tonaw", Middle High German "Tuonowe") is feminine, as it has been re-interpreted as containing the
International Association for Danube Research conference of the 50 Anniversary in Vienna-Klosterneuburg 2006 and the 38 IAD conference in Dresden 2010 were published in the international journal "River Systems". The Conference Proceedings and IAD books are hosted by, and can be gathered at the Academic Library of Biology at the University Vienna (Fachbereichsbibliothek Biologie an der Universität Wien). International Association for Danube Research The International Association for Danube Research, or IAD, is the oldest NGO of an active network of scientists in the Danube River Basin of Europe. The board of the IAD is composed of the president, vice-president and general secretary, forming the presidium,