Lewis & Short

sŭb-inflo, āre, 1, v. a., to puff up somewhat; pass. subinflari, Cael. Aur. Tard. 2, 4, 71.
Rare, except in part., somewhat puffed up or inflated (late Lat.): vultus, Cael. Aur. Acut. 1, 2 sq.: pulsus, id. ib. 1, 6: pectus, Arn. 2, 46.