Genghis or Kublai (4)
I believe the answer is:
khan
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">genghis or kublai</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for khan that I've seen before include "Persian governor" , "Imran --, Pakistan's PM" , "Title of respect in central Asia (for a descendant of Genghis?)" , "Central Asian prince or chief" , "Title taken by ancient Mongol emperors, such as Genghis" .)