Shared in a perfect round of golf (8)

I believe the answer is:

partaken

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'shared' is the definition.
(partaking is a kind of sharing)

I can't explain the rest of the clue.

(Other definitions for partaken that I've seen before include "Shared" , "Eaten some (of food/drink)" , "Joined" , "Participated" .)

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

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