Spy may take this and come east in disguise (4,4)

I believe the answer is:

code name

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'spy may take' is the definition.
I don't know anything about this answer so I can't judge whether this works.

'and come east in disguise' is the wordplay.
'east' becomes 'e' (abbreviation).
'in disguise' indicates anagramming the letters.
'and'+'come'+'e'='andcomee'
'andcomee' anagrammed gives 'CODE-NAME'.

'this' is the link.

Can you help me to learn more?

(Another definition for code name that I've seen is " different identifying label".)

I've seen this clue in The Times.

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