Ajem-Turkic

Ajem-Turkic or Ajami Turkic (ترکی عجمی; Türkī-yi ʿacemī, lit. 'Persian Turkic' or 'Persian Turkish'), also known as Middle Azeri or Middle Azerbaijanian (Azerbaijani: Orta azərbaycanca), was the Turkicvernacular spoken in Iran between the 15th and 18th centuries. The modern Azerbaijani language is descended from this language.