Ishad was an Old Turkic word used to designate the highest-ranking Göktürk generals (e.g., Buri-sad). It is also used in some Arabic sources to describe the Khagan Bek of the Khazars.
References
Ishad Wikipedia(Text) CC BY-SA
Ishad was an Old Turkic word used to designate the highest-ranking Göktürk generals (e.g., Buri-sad). It is also used in some Arabic sources to describe the Khagan Bek of the Khazars.