Gradually wearing away, rock say (7)
I believe the answer is:
eroding
(Other definitions for eroding that I've seen before include "chipping away" , "Wearing away with time" , "eating away" , "Gradually wearing away, rock say" .)
I believe the answer is:
eroding
(Other definitions for eroding that I've seen before include "chipping away" , "Wearing away with time" , "eating away" , "Gradually wearing away, rock say" .)