fustian

fustian
[ˈfʌstɪən]
noun
[mass noun]

thick, hard-wearing twilled cloth with a short nap, usually dyed in dark colours
纬起绒织物，纬起毛织物
pompous or pretentious speech or writing
浮夸（或自夸）的话（或文章）
a smokescreen of fustian and fantasy.
充斥了浮夸荒诞之词的障眼法。

语源

Middle English: from Old French fustaigne, from medieval Latin fustaneum, from (pannus) fustaneus 'cloth from Fostat', a suburb of Cairo; sense 2 perhaps from the fact that fustian was sometimes used to cover pillows and cushions, implying that the language was ‘padded’; compare with bombast