 The "Azi" and "Tuhsi" are sometimes linked, respectively, to Asii and Tocharians and Yuezhi – Indo-European peoples who had conquered Bactria six centuries earlier, and formed the Kushan Empire.Gumilyov considered Tuhsi to be the remnants of the Türgesh, along with Azi and Khalaj.Karakhanid linguist Mahmud Kashgari described Tuhsi as a dynastic tribe of Turkic-speaking monoglots.