| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| psycho– |
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| VARIANT FORMS: | or psych– |
| PREFIX: | 1a. Mind; mental: psychogenic. b. Mental activities or processes: psychomotor. 2. Psychology; psychological: psychohistory. | | ETYMOLOGY: | Greek ps kho-, soul, life, from pskh . See bhes- in Appendix I.
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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