单词desuetude
n.: 废止网络: 不用；废除；废弃
废止,废除
Virtue took on a narrow meaning with the final result that the word virtue fell into desuetude.
美德仅具有狭障的意义，结果必然被弃如敝屣。
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。