Bí-swícol

According to the Old English Dictionary:

bí-swícol

adj. [bí-swíc deceit; dolus] Deceitful; dolosus :-- We sculon geþencean ðæt ðís líf, ðæt we nú onlibbaþ, is bíswícol eallum ðǽm ðe hit lufiaþ we ought to think that this life, in which we now live, is deceitful to all those who love it, L. E. I. prm; Th. ii. 400, 16. bi-swicol