Wæl-gryre

According to the Old English Dictionary:

es;

wæl-gryre

m. The terror that comes from danger of falling in battle :-- On fyrd hyra (the Israelites) fǽrspell (the tidings of the approach of the Egyptian army) becwom; egsan stódan. wælgryre weroda, Cd. Th. 186, 11; Exod. 137. wæl-gryre