Eat with Enid (4)

I believe the answer is:

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'eat with enid' is the definition.
(I've seen this before)

'eat with enid' is the wordplay.
'enid' anagrams to 'DINE'.
Though, I'm not clear how the anagram is indicated.

Can you help me to learn more?

(Other definitions for dine that I've seen before include "Have supper" , "Eat dinner" , "Take meal" , "Feed" , "Eat with Enid?" .)

I've seen this clue in the Evening Standard.

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