Origin of disobeyMiddle English disobeien ; from Old French desobeir: see dis- and amp; obey
verbdis·o·beyed, dis·o·bey·ing, dis·o·beys
Origin of disobeyMiddle English disobeien, from Old French desobeir, from Vulgar Latin *disobed&imacron;re : Latin dis-, dis- + Latin oboed&imacron;re, to obey; see obey.
(third-person singular simple present disobeys, present participle disobeying, simple past and past participle disobeyed)
From Old French desobeir