<prompt> Bhala ukuqhubeka kwalesi sigaba - Abantu bomdabu base-Irani base-Central Asia kanye nengxenye yezitebhisi esifundeni, nabo base bephenduke amaTurkic yizizwe ezifudukayo zase-Inner Asia ngekhulu lesi-6 AD. Inqubo ye-Turkification yase-Central Asia, ngaphandle kwalezo zingxenye namuhla ezakha insimu yaseTajikistan yanamuhla, yasheshiswa ngokunqotshwa kwamaMongol eCentral Asia  <response>: . futhi. UMahmud al-Kashgari ubhala ukuthi abantu ababehlala phakathi kweBukhara neSamarkand babengamaSogdians aseTurkey, awabiza ngokuthi Sogdak. 