Crossword Genius

Material taken from ground put back (5)

Ross

I believe the answer is:

denim

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'material' is the definition.
(type of fabric)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for denim that I've seen before include "Hard-wearing clothing material, twilled cotton" , "Thick cotton cloth" , "Coloured cotton twill" , "Twilled cotton fabric" , "Mined badly for a hard-wearing fabric" .)

I've seen this clue in The Telegraph and The Sun.
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