Word Origin & History
bloatc.1300, originally an adj., "soft, flabby," but by 17c. meaning "puffed up, swollen." Perhaps from O.N. blautr "soaked, soft from being cooked in liquid," possibly from P.Gmc. *blaut-, from PIE *bhleu- "to swell, well up, overflow," an extension of base *bhel- (2) "to blow, swell" (see
bole). Influenced by or combined with O.E. blawan "blow, puff." The verb sense of "to swell" is first attested 1670s.
bloated"overgrown," 1660s, pp. adj. from
bloat (q.v.). Figurative sense is from 1711.