What is "hippocratic"

Hippocratic \Hip"po*crat"ic\, a. Of or pertaining to Hippocrates, or to his teachings.

Hippocratic face [L. facies Hippocratica], the change produced in the countenance by death, or long sickness, excessive evacuations, excessive hunger, and the like. The nose is pinched, the eyes are sunk, the temples hollow, the ears cold and retracted, the skin of the forehead tense and dry, the complexion livid, the lips pendent, relaxed, and cold; -- so called, as having been described by Hippocrates.
--Dunglison.

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."