Anger from heir expectant (3)

I believe the answer is:

ire

'anger' is the definition.
(ire is intense rage)

'from heir expectant' is the wordplay.
'from' indicates the answer is hidden within the clue.
'IRE' is hidden within 'heir expectant'.

(Other definitions for ire that I've seen before include "Annoyance, vexation" , "Intense anger" , "Outrage" , "heat" , "exasperation" .)

I've seen this clue in The Sun.

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