exemplify (v.)youdaoicibaDictYouDict[exemplify 词源字典]
early 15c., "to illustrate by examples, to instruct by (good) example," from Medieval Latin exemplificare "to illustrate," from Latin exemplum "example, pattern, model" (see example). Meaning "to serve as an example" is recorded from 1793. Related: Exemplified; exemplifies; exemplifying.[exemplify etymology, exemplify origin, 英语词源]