- schizophrenia (n.)
- 1912, from Modern Latin, literally "a splitting of the mind," from German Schizophrenie, coined in 1910 by Swiss psychiatrist Eugen Bleuler (1857-1939), from Greek skhizein "to split" (see shed (v.)) + phren (genitive phrenos) "diaphragm, heart, mind," of unknown origin. Slang shortening schizo first attested 1920s as an adjective, 1945 as a noun.