outrageous (adj.)youdaoicibaDictYouDict[outrageous 词源字典]
c. 1300, "excessive, extravagant," from Old French outrageus, outrajos "immoderate, excessive, violent, lawless" (Modern French outrageux), from outrage, oltrage (see outrage). Meaning "flagrantly evil" is late 14c.; modern teen slang usages of it unwittingly approach the original and etymological sense of outrage. Related: Outrageously; outrageousness.[outrageous etymology, outrageous origin, 英语词源]
typhoid (adj.)youdaoicibaDictYouDict
1800, literally "resembling typhus," from typhus + -oid. The noun is from 1861, a shortened form of typhoid fever (1845), so called because it originally was thought to be a variety of typhus. Typhoid Mary (1909) was Mary Mallon (d.1938), a typhoid carrier who worked as a cook and became notorious after it was learned she unwittingly had infected hundreds in U.S.
unwitting (adj.)youdaoicibaDictYouDict
late 14c., altered from or re-formed to replace unwitand, from Old English unwitende "ignorant," from un- (1) "not" + witting (adj.); see -ing (2). Similar formation in Old High German unwizzanti, German unwissend, Old Norse uvitandi, Gothic unwitands. Rare after c. 1600; revived c. 1800. Related: Unwittingly.