a combining form representing psyche (psychological) and psychological (psychoanalysis) in compound words.
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- psychic income,
- psychic research,
- psychic trauma,
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. 2019
sometimes before a vowel psych-
indicating the mind or psychological or mental processespsychology; psychogenesis; psychosomatic
Word Origin for psycho-
from Greek psukhē spirit, breath
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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
Mental activities or processes:psychomotor.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.