noun, plural ca·thex·es [kuh-thek-seez] Psychoanalysis.
1. the investment of emotional significance in an activity, object, or idea.
2. the charge of psychic energy so invested.
Origin: 1920–25; < Neo-Latin < Greek káthexis a keeping, equivalent to kathek- (variant stem of katéchein to keep, hold on to, equivalent to cat cat- + échein to have, hold) + -sis -sis, as translation of German Besetzung a taking possession of (Freud's term)
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