Fǽr-gripe

According to the Old English Dictionary:

es;

fǽr-gripe

m. A sudden or pernicious grasp; sŭbĭtanea vel pernĭciōsa arreptio :-- Him hrínan ne mihte fǽrgripe flódes the flood's sudden grasp could not touch him, Beo. Th, 3036; B. 1516. Under fǽrgripum during his sudden grasps, Beo. Th. 1480; B. 738. fær-gripe