desuetudedesuetude / 5deswI7tu:d , -7tju:d /◙ noun 1. [mass noun] [formal] a state of disuse • [正式] 废弃，不用 »the docks fell into desuetude. 这些码头已废弃不用了。
【语源】
1. early 17th cent. (in the sense cessation): from French, from Latin desuetudo, from desuet- 'made unaccustomed', from the verb desuescere, from de- (expressing reversal) + suescere 'be accustomed'