trichotillomania (n.)youdaoicibaDictYouDict[trichotillomania 词源字典]
1905, from French trichotillomanie (1889), from tricho-, Latinized form of Greek trikho-, comb. form of thrix (genitive trikhos) "hair" + Greek tillesthai "to pull out" + mania. [trichotillomania etymology, trichotillomania origin, 英语词源]