Crossword Genius

Browning's amazing time away (7)

Ross

I believe the answer is:

sunning

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'browning's' is the definition.
Although both the answer and definition are present participle verbs, I don't see how they can define each other.

I don't understand how the remainder of the clue works.

Can you help me to learn more?

I've seen this clue in The Independent.
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