Gár-mitting

According to the Old English Dictionary:

-mittung, e;

gár-mitting

f. A meeting of spears or javelins, a battle :-- Ðæt hí beadoweorca beteran wurdon, on campstede, cumbolgehnástes, gármittinge [gármittunge, Th. 207, 3, col. 2] that they were the better [the victors] in works of war, on the battle-field, at the conflict of banners, at the meeting of javelins, Chr. 937; Th. 207, 3, col. 1; Æðelst. 50. gar-mitting