Roam around after a scent (5)

I believe the answer is:

aroma

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'a scent' is the definition.
('aroma' can be a synonym of 'scent')

'roam around after' is the wordplay.
'around' is an anagram indicator.
'after' becomes 'a' (this could be a standard abbreviation which I don't know about).
'roam' anagrammed gives 'arom'.
'arom'+'a'='AROMA'

Can you help me to learn more?

(Other definitions for aroma that I've seen before include "Perfume" , "Stink" , "particular charm" , "Pervasive atmosphere" , "Distinctive scent" .)

I've seen this clue in The Daily Express and The Mirror.

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