Did You Know?
You might suspect that cathexis derives from a word for "emotion," but in actuality the key concept is "holding." "Cathexis" comes to us by way of New Latin (Latin as used after the medieval period in scientific description or classification) from the Greek word kathexis, meaning "holding." It can ultimately be traced back (through katechein, meaning "to hold fast, occupy") to the Greek verb echein, meaning "to have" or "to hold." "Cathexis" first appeared in print in 1922 in a book about Freud's psychological theories (which also established the plural as "cathexes," as is consistent with Latin), and it is still often used in scientific and specifically psychological contexts.
Origin and Etymology of cathexis
New Latin (intended as translation of German Besetzung), from Greek kathexis holding, from katechein to hold fast, occupy, from kata- + echein to have, hold — more at scheme
First Known Use: 1922
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Medical Dictionary: Definition of cathexis
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