Brave daughter missing female relatives? (9)

I believe the answer is:

dauntless

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'brave' is the definition.
(I know that brave can be written as dauntless)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for dauntless that I've seen before include "Bold" , "Boldly undeterred" , "Resolute" , "Boldly determined" , "Invulnerable to fear" .)

I've seen this clue in The Telegraph.

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