Present from Andromache revealed (4)
I believe the answer is:
here
'present' is the definition.
(both can mean in attendance)
'from andromache revealed' is the wordplay.
'from' indicates the answer is hidden within the clue.
'HERE' can be found hidden inside 'andromache revealed'.
(Other definitions for here that I've seen before include "Present - at this point" , "To hand" , "Hither" , "On this spot" , "final clue?" .)