Swelt \Swelt\, obs. imp. of {Swell}. [1913 Webster]
Swelt \Swelt\, v. i. [OE. swelten to die, to swoon or faint, AS. sweltan to die; akin to OD. swelten to hunger, to fail, OS. sweltan to die, Icel. svelta to die, to hunger, Sw. sv[aum]lta to hunger, Dan. sulte, Goth. sviltan to die. Cf. {Swelter}, {Sweltry}.] 1. To die; to perish. [Obs.] [1913 Webster] 2. To faint; to swoon. [Obs.] --Chaucer. [1913 Webster] Night she swelt for passing joy. --Spenser. [1913 Webster]
Swelt \Swelt\, v. t. To overpower, as with heat; to cause to faint; to swelter. [Obs. or Prov. Eng.] --Bp. Hall. [1913 Webster]