cum laudeyoudaoicibaDictYouDict[cum laude 词源字典]
1872, originally at Harvard, from Medieval Latin, literally "with praise," from Latin cum "with" + laude, ablative of laus (genitive laudis) "praise" (see laud). Probably from earlier use (in Latin) at Heidelberg and other German universities.[cum laude etymology, cum laude origin, 英语词源]