Syr Darya

Syr Darya (; ; ; , also transliterated Syrdarya or Sirdaryo) is a river in Central Asia, sometimes known as the Jaxartes or Yaxartes from its Ancient Greek name . The Greek name is derived from Old Persian, Yakhsha Arta ("Great Pearly"), a reference to the color of the river's water. In medieval Islamic writings, the river is uniformly know as Sayhoun (سيحون) - after one of the four rivers of Paradise. (Amu Darya was likewise known as Jayhoun, the name of another one of the four).
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