Crossword Genius

Lingering symptom of consumption? (10)

Ross

I believe the answer is:

aftertaste

I'm a little stuck... Click here to teach me more about this clue!

This could be a double definition.

'lingering symptom' is the first definition.
Although both the answer and definition are singular nouns, I can't understand how one could define the other.

'consumption?' is the second definition.
Although both the answer and definition are singular nouns, I don't see how they can define each other.

'of' acts as a link.

Can you help me to learn more?

(Other definitions for aftertaste that I've seen before include "Residue on the palate" , "residual sensation" , "Relish experienced" , "What lingers in the mouth" , "lingering flavour" .)

I've seen this clue in The Independent.
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