来自辅音丛bl, fl, 吹，鼓起，词源同blow, blossom. 引申词义浮夸的。
- flatulent (adj.)
- "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)).