Fur is a blessing, to some extent (5)

I believe the answer is:

sable

'fur' is the definition.
(sable is a kind of fur)

'is a blessing to some extent' is the wordplay.
'to some extent' indicates the answer is hidden within the clue.
'SABLE' is hidden in the letters of 'is a blessing'.

(Other definitions for sable that I've seen before include "Antelope, fur" , "Adventurous courage" , "Fur - heraldic black" , "Dark brown fur of the marten" , "Black; antelope" .)

I've seen this clue in The Times.

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