rapacity (n.)youdaoicibaDictYouDict[rapacity 词源字典]
1540s, from Middle French rapacité (16c.), from Latin rapacitatem (nominative rapacitas) "greediness," from rapax (genitive rapacis) "grasping, plundering," from rapere "seize" (see rapid).[rapacity etymology, rapacity origin, 英语词源]