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A Turkic language of late medieval Central Asia, spoken in the empire of Tamerlane and by the founders of the Mughal Empire and widely used as a literary language in Central Asia until the early 1900s.
[Ultimately from Uyghur chaghatay and earlier Uzbek chag'atāy, both from Chagatai jağatāy, after Jağatāy, Chagatai (the khan from whom many of Tamerlane's Turkic officers claimed descent).]
Chag·a·tai 2(chăg′ə-tī′) or Jag·a·tai (jăg′-) Died 1242.
Mongol ruler who succeeded his father, Genghis Khan.