Seldschuken
Since the 11th century [[Oghuz (tribe)|Oghuz]] tribes, led by [[Seljuq dynasty|Seljuq]] dynasts started to penetrate into the region. The gradual formation of the [[Azeris|Azeri]] people started. Apparently, in this period the Turkic [[exonym]] "Tat" or "Tati", which designated settled farmers, was assigned to the South Caucasian dialect of the Persian language.