Turn up old form of address for Georgia writer (6)
I believe the answer is:
harris
But I can't explain it at all! Could you help me understand?
(Other definitions for harris that I've seen before include "Joel Chandler --, creator of Brer Rabbit" , "Cloth from Scottish island" , "Lewis with ------, Hebridean island" , "Isle known for tweed" , "somewhere in the Hebrides" .)