Lewis Short
(verb) : dēcharmĭdo, āre, 1, de-Charmides
* To un-Charmidize, i. e. to destroy one's identity as Charmides, also (with allusion to etym. of Charmides, 'Son of joy,' from χάρμα) to end his happiness: rursum te decharmida,Plaut. Trin. 4, 2, 135.
Charlton T. Lewis, Charles Short, A Latin Dictionary