n. & adj.
n. 1 thick twilled cotton cloth with a short nap, usu. dyed in dark colours. 2 turgid speech or writing, bombast.
adj. 1 made of fustian. 2 bombastic. 3 worthless.
[ ME f. OF fustaigne f. med.L fustaneus (adj.) relating to cloth from Fostat a suburb of Cairo ]