- intumescent (adj.)
- "swelling up," 1796, from Latin intumescentem (nominative intumescens), present participle of intumescere "to swell up, rise, be elevated," of sounds, "grow louder," figuratively, "grow excited, become enraged," from in- "in" (see in- (2)) + tumescere "begin to swell, swell up" (see tumescence).
