<prompt> Qedela umusho olandelayo: Abantu bomdabu base-Iran base-Asia Ephakathi kanye nengxenye yezindawo ezisezintabeni zesifunda, nabo base bephenduke amaTurkic yizizwe ezifudukayo zase-Inner Asia ngekhulu lesi-6 AD. Inqubo yeTurkification yase-Asia Ephakathi, ngaphandle kwalezo zingxenye namuhla ezakha insimu yaseTajikistan yanamuhla, yashesha nge  <response>: Ukunqoba kwamaMongol i-Asia Ephakathi. UMahmud al-Kashgari ubhala ukuthi abantu ababehlala phakathi kweBukhara neSamarkand babengamaSogdians aseTurkey, awabiza ngokuthi Sogdak. 