Does something beneath one's dignity (6)
I believe the answer is:
deigns
'does something beneath one's dignity' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for deigns that I've seen before include "Does something beneath one's dignity" , "Is condescending by design (6)" , "Stoops, condescends" , "Singed (anag)" , "Condescends by design" .)