dupion
/ˈdjuːpɪəʊn/(亦作 silk dupion)
noun
mass noun
1- a rough slubbed silk fabric woven from the threads of double cocoons双宫绸。
1.1
- an imitation of this with other fibres仿双宫绸。
词源
early 19th cent. （in the sense 'double cocoon'）： from French doupion, from Italian doppione, from doppio 'double'.