English word villain comes from Late Latin villanus

Detailed word origin of villain

Dictionary entry	Language	Definition
villanus	Late Latin (LL)
vilein	Old French (fro)
villein	Middle English (enm)
villain	English (eng)	(obsolete, transitive) To debase; to degrade. (Can we clean up([http://en.wikipedia.org/w/index.php?title=Wiktionary%3ARequests+for+cleanup&action=edit&section=new&preloadtitle=%5B%5Bvillain%5D%5D +]) this sense?) (The addition of quotations indicative of this usage is being sought): A vile, wicked person.. (poker) Any opponent player, especially a hypothetical player for example and [...]

Words with the same origin as villain