desuetude

英 ['deswɪtjuːd; də'sjuːətjuːd] 美 ['dɛswɪ,tjʊd]
  • n. 废止;不用
GRE
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desuetude 废弃,不用

dis-, 不,非,使相反。-suet,自己,习惯,词源同self, custom.即不再习惯,废弃使用。

desuetude (n.)
1620s, from Middle French désuétude (16c.), from Latin desuetudo "disuse," from desuetus, past participle of desuescere "become unaccustomed to," from de- "away, from" (see de-) + suescere "become used to" (see mansuetude).
1. Many words once commonly used have fallen into desuetude.
许多过去曾通用的词,今天已经废弃不用了.

来自《现代英汉综合大词典》

2. These words have fallen into desuetude.
这些词如今已经不用了.

来自《简明英汉词典》

[ desuetude 造句 ]