Leftovers in short supply! (4)

I believe the answer is:

orts

'leftovers' is the definition.
(thesaurus)

'in short supply' is the wordplay.
'in' says the answer is hidden in the clue.
'ORTS' can be found hidden inside 'short supply'.

(Another definition for orts that I've seen is " Fragments".)

I've seen this clue in The Telegraph.

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