dictum (n.)youdaoicibaDictYouDict[dictum 词源字典]
1660s, from Latin dictum "thing said (a saying, bon-mot, prophecy, etc.), an order, command," neuter of dictus, past participle of dicere "say" (see diction). In legal use, a judge's expression of opinion which is not the formal resolution of a case.[dictum etymology, dictum origin, 英语词源]