, the name in Arabic geographical writing for the Araxes River (Perso-Turkish form Aras, Armenian Eraskʿ, Georgian Rak̲h̲s̲h̲ī, modern Aras). It rises in what is now eastern Turkey near Erzurum and flows generally in an eastwards direction for 1,072 km/670 miles into the Caspian Sea. Its middle reaches, from a point near Mount Ararat, today form the boundary between the former Azerbaijan SSR and Persia, with the lower stretch receiving the Kur River and flowing through the Mūḳān [q.v.] steppes and what is now wholly Azerbaijani territory.
The early Arabic name al-Rass led the Musl…