Crossword Genius

Brewed brink left for duck (4)

Ross

I believe the answer is:

teal

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'for duck' is the definition.
(teal is a type of duck)

'brewed brink left' is the wordplay.
'brewed brink' becomes 'tea' (I can't justify this - if you can you should give a lot more credence to this answer).
'left' becomes 'l' (common abbreviation).
'tea'+'l'='TEAL'

Can you help me to learn more?

(Other definitions for teal that I've seen before include "Duck; greenish-blue colour" , "Species of duck" , "Type of duck" , "Small freshwater duck and colour" , "Bluish shade of green" .)

I've seen this clue in The Times.
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