Dictionary

desuetude

noun de·sue·tude \ˈde-swi-ˌtüd, -ˌtyüd, di-ˈsü-ə-, -ˈsyü-\

Definition of DESUETUDE

:  discontinuance from use or exercise :  disuse
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Origin of DESUETUDE

Middle English dissuetude, from Latin desuetudo, from desuescere to become unaccustomed, from de- + suescere to become accustomed; akin to Latin sodalis comrade — more at sib
First Known Use: 15th century

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