v. [UP- 4 + SWELL v. Cf. MDu. opswellen (Du. opzwellen), MLG. upswellen, MHG. ûfswellen (G. aufschwellen).]
1. intr. To swell up; to rise up by or as by swelling. Also fig.
c. 1386. Chaucer, Prioress’ T, 108. The serpent Sathanas, That hath in Iues herte his waspes nest, Vp swal [Petworth MS. vpswal] and seide [etc.].
1582. Stanyhurst, Æneis, II. (Arb.), 52. His feet ar vpswelling with raynes of bridil ybroached.
1740. Dyer, Ruins of Rome, 135. The num’rous porticoes and domes upswell, With … columns interpos’d.
1816. Wordsw., Ode, 1814, 14. The azure sea upswelled upon the sight.
1828. J. Sterling, Ess., etc. (1848), II. 62. The tall ash which … upswells to and waves amid the skies.
1875. Morris, Æneid, XII. 666. In his heart upswelled a mighty flood Of … maddening grief.
2. trans. To increase the volume of (something) by or as by swelling.
1582. Stanyhurst, Æneis, II. (Arb.), 56. As a trauayler … whips backward from woorme, with poysoned anger Vpsweld.
1793. Wordsw., Descr. Sk., 563. Alps overlooking Alps their state upswell.
1845. Mangan, German Anthology, I. 48. The rain … dashes earthwards in floods, Upswelling the deluging fountains.
