deraign

To prove or refute, especially through combat.

To engage in battle or combat.

Therewith they gan to hurtlen greedily, / Redoubted battaile ready to darrayne, / And clash their shields, and shake their swords on hy [...].

To determine or decide by combat; to fight out.

Now everything I had or sought, I've lost; / Upon a glimpse, I am disparadised. / So: go defiant to the nether world, / And darreign^([sic]) Lucifer's dread minions to / Worse torment than thou wouldst do thyself.

To ready or prepare for combat.