Des″ue‐tude (?), n. [L. desuetudo, from desuescere, to grow out of use, disuse; de + suescere to become used or accustomed: cf. F. désuétude. See Custom.] The cessation of use; disuse; discontinuance of practice, custom, or fashion.
The desuetude abrogated the law, which, before, custom had established. Jer. Taylor.