desuetude
desuetude (des-w[schwa]-t[y]ood). 1. Lack of use; obsolescence through disuse. 2. The doctrine holding that if a statute or treaty is left unenforced long enough, the courts will no longer regard it as having any legal effect even though it has not been repealed. [Cases: Statutes 173. C.J.S. Statutes § 292.] “[T]he doctrine of desuetude has […]