1610s, from Medieval Latin Hippocraticus, pertaining to Hippocrates (c. 460-377 B.C.E.), the famous ancient Greek physician. Hippocratic Oath is attested from 1747; it is in the spirit of Hippocrates but was not written by him. The name is literally "one superior in horses."[Hippocratic etymology, Hippocratic origin, 英语词源]