Savage angered, prepare for a fight (2,5)

I believe the answer is:

en garde

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

'savage angered' is the wordplay.
'savage' indicates an anagram (to savage can mean to attack or destroy).
'angered' anagrammed gives 'EN GARDE'.

Can you help me to learn more?

(Other definitions for en garde that I've seen before include "Fencer's warning cry" , "(In fencing) in a defensive stance" , "The opening position in fencing - mind yourself" , "Get ready to fence" , "Words of warning" .)

I've seen this clue in The Telegraph.

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