On-drysne

According to the Old English Dictionary:

on-drysne

II. add: (1) of a person :-- Hú egeslic and hú andrysne heáhþrymme cyningc hér wile déman quam celsithronus metuendus adveniet judex, Dóm. L. 94. (2) of a thing, of awful moment, solemn [The Latin of R. Ben. 140, 5 is: Ad celebrandum missarum solemnia] :-- Nú is þearf mycel ꝥ wé on forhasfdnesse lifian and úre synna clǽnsian . . . Swá swá wé on máran forhæfdnesse lifian þás dagas, and on andrysnum þingum beóþ on þysse worlde, swá wé sceolan þe máran blisse habban þá hwíle þe wé lifgaþ hér on worlde, Bl. H. 35, 33. on-drysne