Khwarezmian language

Khwarezmian (Khwarazmian, Khorezmian, Chorasmian) is an extinct East Iranian language closely related to Sogdian. The language was spoken in the area of Khwarezm (Chorasmia), centered in the lower Amu Darya south of the Aral Sea (the northern part of the modern Republic of Uzbekistan, and the adjacent areas of Turkmenistan and Kazakhstan).