whilere > erewhile: lately [fired; or quasi-adj.]

4 But he was not so hardy to abide

hardy > foolhardy; robust; bold to abide > [as to await]

5 That bitter stound, but, turning quick aside

stound > peril

6 His lightfoot beast, fled fast away for fear:

lightfoot > light-footed

7 Whom to pursue, the infant after hied,

infant > prince hied > went quickly; hence: raced; also: strove

8 So fast as his good courser could him bear,