A kitchen only half finished leads to comment (6)

I believe the answer is:

apercu

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'to comment' is the definition.
(I've seen this before)

'a kitchen only half' is the wordplay.
'kitchen' becomes 'percussion' (I've seen this before).
'only half' suggests halving the letters.
'percussion' with half the letters taken is 'percu'.
'a'+'percu'='APERCU'

'finished leads' acts as a link.
I am not very happy about this link. Some or all of it may be part of another bit of the clue.

Can you help me to learn more?

(Other definitions for apercu that I've seen before include "summary, insight; race up (anag.)" , "Witty remark" , "Illuminating comment or brief reference, to the French" , "Brief sketch, outline" , "Entertaining comment" .)

I've seen this clue in The Times.

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