Crossword Genius

Brushed last of locks and blubbed (5)

Ross

I believe the answer is:

swept

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'brushed' is the definition.
('sweep' can be a synonym of 'brush')

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for swept that I've seen before include "overwhelmed" , "what daily did" , "passed proudly" , "Removed by brushing" , "Cleaned by brushing" .)

I've seen this clue in The Times.
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