Great Khan perhaps to put head round old yurt (9)
I believe the answer is:
potentate
'great khan perhaps to' is the definition.
I can't tell whether this definition defines the answer.
'head round old yurt' is the wordplay.
'head' becomes 'pate' (humorous term for the head).
'round' means one lot of letters goes inside another.
'old' becomes 'o' (abbreviation).
'yurt' becomes 'tent' (I've seen this in another clue).
'o'+'tent'='otent'
'pate' placed around 'otent' is 'POTENTATE'.
'put' is the link.
Can you help me to learn more?
(Other definitions for potentate that I've seen before include "Mogul" , "authority" , "A monarch or ruler" , "Powerful autocratic ruler" .)