Heavy cotton patterned fabric used in upholstery (8)

I believe the answer is:

cretonne

(Other definitions for cretonne that I've seen before include "Heavy fabric used for furniture covers and curtains" , "Type of cotton fabric" , "Fabric used for upholstery" , "Heavy fabric used for furnishing" , "Heavy (floral) cotton fabric" .)

I've seen this clue in The Guardian.

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