Desuesco, desuéscis, desuéscere, Verbum neutrum. Li. To disuse or to chaunge his fashion or custome.Paulatim desuescit honori. Sil. By litle and litle he learneth to leaue or for get his honourable estate.Desuêtus. pen prod. Participium. Virg.Out of vse: not accustomed.Rem desuetam vsurpare.Liu.To vse a fashion or maner that hath bene long left.Retractate verba desuera.Ouid.
Lewis and Short: Latin dictionary
dē-sŭesco, sŭēvi, sŭētum, 3, v. a. and n. (mostly poet., or in post-Aug. prose; in Cic. and Caes. not at all; cf., however, desuefacio). I.Act., to disuse, to lay aside a custom or habit, to disaccustom, to put out of use: desuevi, ne quo ad cenam iret, Titin. ap. Non. 95, 1: arma diu desueta, Verg. A. 2, 509; cf.: rem desuetam usurpare, Liv. 3, 38: desueta sidera cerno (i. e. quae cernere desuevi), Ov. M. 5, 503; cf.: voces jam mihi desuetae, id. ib. 7, 646: desueta verba, id. Tr. 5, 7, 63: in desuescendis morari, Quint. 3, 8, 70.—With inf.: desueto Samnite clamorem Romani exercitus pati, Liv. 8, 38, 10.—II.Neutr., to become unaccustomed, to disaccustom one's self; or in the perf., to be unaccustomed: paullatim antiquo patrum honori, Sil. 3, 576: jam desueta triumphis (i. e. bellis) agmina, Verg. A. 6, 815; cf. id. ib. 7, 693: fera rabiem desueta, Stat. Th. 5, 231: desueta corda, Verg. A. 1, 722.