Crossword Genius

A patient is better after it (8)

Ross

I believe the answer is:

recovery

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

'a patient' is the definition.
Although both the answer and definition are singular nouns, I can't understand how they can define each other.

'better after it' is the wordplay.
I cannot quite understand how this works, but
'better' could be 'recover' (recovering is a kind of bettering) and 'recover' is found in the answer.
A single letter 'y' remains which might be clued in a way I don't understand.
This explanation may well be incorrect...

'is' is the link.

Can you help me to learn more?

(Other definitions for recovery that I've seen before include "Green shoots could be a sign of this" , "Upturn" , "Convalescence" , "A return to good health" , "Rally" .)

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