By Edward, Jill's endlessly disappointed in love (6)

I believe the answer is:

jilted

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'disappointed in love' is the definition.
Although both the answer and definition are past participle verbs, I cannot see how one could define the other.

'by edward jill's endlessly' is the wordplay.
'by' is a charade indicator (letters next to each other).
'edward' becomes 'ted'.
'endlessly' means to remove the last letter.
'jill' with its last letter taken away is 'jil'.
'ted' put after 'jil' is 'JILTED'.

Can you help me to learn more?

(Other definitions for jilted that I've seen before include "Spurned by bride or groom" , "Spurned or rejected by lover" .)

I've seen this clue in the Evening Standard.

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