South African by birth? (5)
I believe the answer is:
natal
'birth?' is the definition.
(I've seen this before)
'south african by' is the wordplay.
I cannot really understand how this works, but
'by' could be 'at' and 'at' is located in the answer.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for natal that I've seen before include "Pertaining to birth" , "South African region" , "Brazilian port" , "To do with birth - in S Africa?" , "somewhere in Africa" .)