fustian

Concise Oxford English Dictionary © 2008 Oxford University Press:
fustian /ˈfʌstɪən/

▶noun

• 1 a thick, hard-wearing twilled cloth with a short nap.

• 2 pompous speech or writing.

– origin ME: from OFr. fustaigne, from med. L. fustaneum, from (pannus) fustaneus ‘cloth from Fostat’, a suburb of Cairo; sense 2 perh. from the fact that fustian was used to cover pillows, implying that the language was ‘padded’.