Bravery in battle (7)

I think it could be either:

Which length description are you looking for?:

prowess

'bravery in battle' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for prowess that I've seen before include "Great ability or daring" , "courage" , "Skill, expertise; bravery" , "Acquired skill(s)" , "Superior skill or ability" .)

I've seen this clue in The Times.

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