Ge-wissian

According to the Old English Dictionary:

ge-wissian

p. ode, ade; pp. od To make or cause to know, to instruct, inform, direct, command, govern; docere, edocere, regere, præcipere, dirigere :-- Ðæt he ðone iungan cniht gewissian sceolde that he should instruct the young boy, Ælfc.T. Lisle, 34, 3. To ðam lande ðe ic ðé gewissige unto a land that I will shew thee, Boutr. Scrd. 21, 42. On ðam regole ðe us gewissaþ be ðære hálgan Eástertíde in the rule that directs us about the holy Eastertide. Lchdm. iii. 256, 10. Heó gewissaþ and gescylt and gelǽt it directs and protects and guides, Homl. Th. i. 52, 15. Se ðe gewylt and gewissaþ Israhéla folc qui reget populum Israhel, 78, 16. Swá swá him Gregorius ǽr gewissode as Gregory had before directed him, ii. 130, 22: Swt. A. S. Rdr. 64, 241. Se wítega hine gewissode ðæt he cúðe gelýfan the prophet directed so that he was able to believe, 70, 444. Ðú gewissa ða sacerdas tu præcipe sacerdotibus, Jos. 3, 8. Ic gean ðara vi. punda ðe ic Eádmunde mínon bréðer gewissod hæbbe I give the six pounds that I have indicated to my brother Edmund, Th. Chart. 559, 6. Gif ðú nelt beón gewissod if thou wilt not be directed, Ælfc. T. Lisle, 40, 12. ge-wissian