What is "unyolden"

Usage examples of "unyolden".

Ne ther was holden no disconfitynge But as a justes or a tourneiynge, For soothly ther was no disconfiture- For fallyng nys nat but an aventure- Ne to be lad by force unto the stake Unyolden, and with twenty knyghtes take, O persone allone, withouten mo, And haryed forth by arme, foot, and too, And eke his steede dryven forth with staves, With footmen, bothe yemen and eek knaves, It nas aretted hym no vileynye, Ther may no man clepen it cowardye.