Wash away over time (5)
I believe the answer is:
erode
(Other definitions for erode that I've seen before include "Gradually destroy" , "Become ground down or deteriorate" , "Gradually wear away" , "'Deteriorate, wear away (5)'" , "Corrode" .)
I believe the answer is:
erode
(Other definitions for erode that I've seen before include "Gradually destroy" , "Become ground down or deteriorate" , "Gradually wear away" , "'Deteriorate, wear away (5)'" , "Corrode" .)