Get a whiff of scent at herb mixture (6)

I believe the answer is:

breath

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'get a whiff of scent' is the definition.
I can't tell whether this definition defines the answer.

'at herb mixture' is the wordplay.
'mixture' indicates anagramming the letters.
'at'+'herb'='atherb'
'atherb' anagrammed gives 'BREATH'.

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(Other definitions for breath that I've seen before include "Bertha (anag.)" , "Air in an out of the lungs" , "Respiration" , "Inhale and exhale air" , "An inhalation and exhalation" .)

I've seen this clue in The Globe and Mail.

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