Kipchak language
The Kipchak language is an extinct Turkic language and the common ancestor of the Kipchak branch of Turkic languages. The earliest inscriptions of Kipchak language are those derived from Buddhist inscriptions written in Sanskrit, Pali and Prakrit languages.
The descendants of the Kipchak language include the majority of Turkic languages spoken in Eastern Europe and the Caucasus today, as Kipchak-Cuman was used as a lingua franca in Golden Horde–ruled lands.
Kazakhs are remnants of Eastern Cuman-Kipchak tribes who lived in Northern Kazakhstan in the 10th century, but migrated to Europe later. So, their language originates from a more isolated form of earlier Kipchak.
Tatars, Siberian Tatars, Balkars, Karachays, Kumyks, Cumans, Bashkirs and Mongolian aristocracy adopted the Kipchak language in the days of the Golden Horde.
