Deflect praise working on this quality (4-11)

I believe the answer is:

self-deprecation

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'quality' is the definition.
Both the definition and answer are singular nouns.
Perhaps you can see an association between them that I don't see?

'deflect praise working on' is the wordplay.
'working' is an anagram indicator.
'deflect'+'praise'='deflectpraise'
'deflectpraise' with letters rearranged gives 'selfdeprecati'.
'selfdeprecati'+'on'='SELF-DEPRECATION'

'this' acts as a link.

Can you help me to learn more?

I've seen this clue in The Guardian.

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