WORD FOR THE DAY(4/30/18)Cathexis Word of the Day : April 30, 2018 cathexis • • Definition : investment of mental or emotional energy in a person, object, or idea 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...