Sentence:  bycause Sir Palomydes beganne fyrste, and never he wente nor rode oute of the fylde to repose hym, but ever he was doynge on horsebak othir on foote, and lengest durynge, Kynge Arthure and all the kynges gaff Sir Palomydes the honoure and the <WSD>gre</WSD> as for that day. 
Meaning of the word marked with <WSD> tags:  Pre-eminence; victory or superiority in combat (hence also, the prize for winning a combat).