functionary (n.)youdaoicibaDictYouDict[functionary 词源字典]
"one who has a certain function, one who holds an office," 1791, from or patterned on French fonctionnaire, a word of the Revolution; from fonction (see function (n.)). As an adjective in English from 1822, "functional." Related: Functionarism.[functionary etymology, functionary origin, 英语词源]