Daring to swallow cobra venom (5)

I believe the answer is:

brave

I'm a little stuck... Click here to teach me more about this clue!

'daring' is the definition.
(I've seen this before)

'swallow cobra venom' is the wordplay.
'BRAVE' is hidden within the letters.
But, I'm not sure how the hidden word is indicated.

'to' acts as a link.

Can you help me to learn more?

(Other definitions for brave that I've seen before include "Egg-shaped" , "Plucky" , "Fine" , "Heroic, valiant" , "bottle?" .)

I've seen this clue in The Mirror.

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