Gár-rǽs

According to the Old English Dictionary:

es;

gár-rǽs

m. A rush of spears, battle, war, warfare; hastārum impĕtus, prœlium :-- Ðæt gé ðisne gárrǽs mid gafole forgyldon that ye buy off this warfare with tribute, Byrht. Th. 132, 46; By. 32. gar-ræs