denim是ＪＥＡＮＳ.Denim as used for blue jeans, with a copper rivet to strengthen the pocket.Denim, in American usage since the late eighteenth century, [1] denotes a rugged cotton twill textile, in which the weft passes under two (twi- "double") or more warp fibers, producing the familiar diagonal ribbing identifiable on the reverse of the fabric, which distinguishes denim from cotton duck. The word comes from the name of a sturdy fabric called serge, originally made in Nimes, France, by the Andre family. Originally called serge de Nimes, the name was soon shortened to denim.[2] Denim was traditionally colored blue with indigo dye to make blue "jeans," though "jean" then denoted a different, lighter cotton textile; the contemporary use of jean comes from the French word for Genoa, Italy (Gênes), from which the first denim trousers were made.

Denim as used for blue jeans, with a copper rivet to strengthen the pocket.