English word psychosis comes from English -osis, English psycho-

Detailed word origin of psychosis

Dictionary entry	Language	Definition
-osis	English (eng)	(pathology) functional disease or condition such as hepatosis. Formation, increase. Process, action.
psycho-	English (eng)	Forms terms relating to the soul, the mind, or to psychology.
psychosis	English (eng)	(psychology) A severe mental disorder, sometimes with physical damage to the brain, marked by a deranged personality and a distorted view of reality.

Words with the same origin as psychosis