Cleans with an abrasive (6)

I believe the answer is:

scours

(Other definitions for scours that I've seen before include "Cleans by hard rubbing." , "Cleans by rubbing wiht something abrasive" , "runs for cattle" , "Rubs hard or scrubs" , "Cleans by rubbing with rough material" .)

I've seen this clue in The Wall Street Journal.

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