It's a London –wood”, you know (3)

I believe the answer is:

ken

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'know' is the definition.
(Scottish term meaning to know)

I don't understand the rest of the clue.

(Other definitions for ken that I've seen before include "Know; man's name" , "Understanding - boy's name" , "Identify; -- Livingstone" , "Notice" , "One's range of knowledge" .)

I've seen this clue in the Evening Standard.

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