Webster’s Revised Unabridged Dictionary · 1913
Prognosis
Prog·no′sis (prŏg·nō′sĭs), n. [L., fr. Gr. πρόγνωσις, fr. προγιγνώσκειν to know beforehand; πρό before + γιγνώσκειν to know. See Know.] (Med.) The act or art of foretelling the course and termination of a disease; also, the outlook afforded by this act of judgment; as, the prognosis of hydrophobia is bad.