It’s about time. We are now on Instagram!
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 trich·o·til·lo·ma·ni·a (trĭk'ō-tĭl'ə-mā'nē-ə, -mān'yə)n. A compulsion to pull out one's own hair.