Fǽr-gryre

According to the Old English Dictionary:

es;

fǽr-gryre

m. A perilous horror; terror perīcŭlōsus :-- Ða hyssas þrý fǽrgryre fýres oferfaren hæfdon the three youths had passed through the fire's dire horror, Cd. 197; Th. 245, 14; Dan. 463. Wið fǽrgryrum against perilous horrors, Beo. Th. 350; B. 174. fær-gryre