Remove perfume from line? (7)

I believe the answer is:

descent

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'line?' is the definition.
('descent' can be a synonym of 'line')

'remove perfume' is the wordplay.
'remove' becomes 'de' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'perfume' becomes 'scent' ('scent' can be a synonym of 'perfume').
'de'+'scent'='DESCENT'

'from' is the link.

Can you help me to learn more?

(Other definitions for descent that I've seen before include "Decline" , "Downward journey" , "line" , "Comedown (of ancestry?)" , "Slope leading from top" .)

I've seen this clue in The Telegraph.

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