duvetyneduvetyne means A heavy black cloth used in the motion picture and film industry to block out unwanted light. Lexicurio rates it Sui generis — a strength score of 87 out of 100.EtymologyBorrowed from French duvetine, from duvet, from Middle French *dumet, diminutive of Old French dun, dum, ultimately from Old Norse dūnn.nounA heavy black cloth used in the motion picture and film industry to block out unwanted light.