desuetude - Dictionary definition and meaning for word desuetude
desuetude --- de sue can be remembered as Disuse.
anagram for "dude use et" or you know... since it's not in use... in desuetude
DESUETUDE = DESOLATE-tude. Abandoned (desolate) things are disused (in desuetude).
des(des) uth(ue) ati-tude is disused by stae minister