from The American Heritage® Dictionary of the English Language, 4th Edition
- Formerly Ox·us (ŏkˈsəs)Amu Darya A river of central Asia flowing about 2,574 km (1,600 mi) generally northwest from the Pamir Mountains to the southern Aral Sea. In ancient times it figured significantly in the history of Persia and in the campaigns of Alexander the Great.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A major river in Central Asia flowing across the border of Uzbekistan and Turkmenistan parallel to Syr Darya and into the Aral Sea. Known in classical times as Oxus.
Sorry, no etymologies found.