tussur
  柞蠶絲
  Tus·sah Tus·seh n. [Also tussa, tussar, tusser, tussur, etc.]  An undomesticated East Indian silkworn (Antheraea mylitta), that feeds on the leaves of the oak and other plants.
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  tussur
       n : oriental moth that produces brownish silk [syn: tussah, tusseh,
            tussore, tusser, Antheraea mylitta]