Point danger out and prepare for attack (7)

I believe the answer is:

engarde

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'prepare for attack' is the definition.
I can't judge whether this defines the answer.

'point danger out' is the wordplay.
'point' becomes 'e' (compass point).
'out' indicates an anagram (out can mean wrong or inaccurate).
'danger' is an anagram of 'ngarde'.
'e'+'ngarde'='ENGARDE'

'and' is the link.

Can you help me to learn more?

(Another definition for engarde that I've seen is " Ready with foil".)

I've seen this clue in The Daily Express.

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