emphatic (adj.)youdaoicibaDictYouDict[emphatic 词源字典]
1708, from Latinized form of Greek emphatikos, variant of emphantikos, from stem of emphainein (see emphasis). Emphatical is earlier (1550s in rhetorical sense, 1570s as "strongly expressive"). Related: Emphatically (1580s).[emphatic etymology, emphatic origin, 英语词源]