Feels remorse for (7)

(Other definitions for regrets that I've seen before include "Rues" , "Bemoans" , "Sorrows" .)
'feels remorse for' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for rues that I've seen before include "Regrets, to be sure" , "Bemoans" , "Is sorry for - plants" .)