- a combining form representing psyche (psychological) and psychological (psychoanalysis) in compound words.
Also especially before a vowel, psych-.
Origin of psycho-
< Greek, combining form of psȳchḗ breath, spirit, soul, mind; akin to psȳ́chein to blow (see psykter)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
sometimes before a vowel psych-
- indicating the mind or psychological or mental processespsychology; psychogenesis; psychosomatic
from Greek psukhē spirit, breath
Word Origin and History for psycho-
word-forming element meaning "mind, mental; spirit, unconscious," from Greek psykho-, combining form of psykhe (see psyche). It also was used to form compounds in Greek, e.g. psychopates "soul-beguiling."
Online Etymology Dictionary, © 2010 Douglas Harper
- Mind; mental:psychogenic.
- Mental activities or processes:psychomotor.
- Psychology; psychological:psychosocial.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.