denotation (n.)youdaoicibaDictYouDict[denotation 词源字典]
1530s, "indication," from Late Latin denotationem (nominative denotatio), noun of action from past participle stem of denotare (see denote). As a term in logic, from 1843 (contrasted with connotation).[denotation etymology, denotation origin, 英语词源]