Salesman travelling to Eire, say? (3)
I believe the answer is:
rep
I believe this clue is a double definition.
'salesman travelling' is the first definition.
'eire say?' is the second definition.
(abbreviation for republic such as Eire aka Ireland)
'to' is the link.
(Other definitions for rep that I've seen before include "Representative; fabric" , "Material for curtains" , "Corded fabric" , "Corded cloth for short theatrical group" , "Salesperson" .)