vbl. sb. [f. as prec. + -ING1.] A besieging, siege.
c. 1450. Lonelich, Grail, xiii. 140. Tholomes
hath there leid asegeng.
15828. Hist. James VI. (1804), 229. All thair prouisioun for asseging of the castell.
1606. B. Barnes, Bks. Offices, 202. Towards the assieging of any cities or forts.