阿姆河 Āmǔhé

Āmǔhé proper noun Amu Darya
Domain: Modern Chinese 现代汉语 , Subdomain: Geography 地理学 , Concept: River 水名
Notes: The biggest river of Central Asia, from Pamir to Aral sea, forming the boundary between Afghanistan and Tajikistan then flowing through Turkmenistan and Uzbekistan / formerly called Oxus by Greek and Western writers, and Gihon by medieval Islamic writers