It can give one a breath of sweetness (6)

I believe the answer is:

cachou

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'it can give one a breath of sweetness' is the definition.
The definition suggests a singular noun which matches the answer.

This is the entire clue.

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(Other definitions for cachou that I've seen before include "pill to sweeten the breath" , "Scented lozenge to sweeten the breath" , "Breath-sweetening lozenge" .)

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

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