I remained when the maid left her (5)

I believe the answer is:

irene

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'her' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

(Other definitions for irene that I've seen before include "Greek godess of peace" , "Representative of peace" , "In Greek mythology, the goddess of peace" , "Girl's name (meaning Peace)" , "- - Handl, actress" .)

I've seen this clue in the Evening Standard.

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