flatulent (adj.)youdaoicibaDictYouDict[flatulent 词源字典]
"affected by digestive gas," 1590s, from Middle French flatulent (16c.), from Modern Latin flatulentus, from Latin flatus "a blowing, breathing, snorting; a breaking wind," past participle of flare "to blow, puff," which is cognate with Old English blawan (see blow (v.1)).[flatulent etymology, flatulent origin, 英语词源]