onfall

For our part of the onfall, the English had made but a feigned attack on the mill, wherefore the bale-fires were lit, to our undoing. 

From A Monk of Fife by Andrew Lang

The allusion is to that onfall upon the reformers, Cranmer, Latimer, &c., which had escaped from Milton's pen in 1642 to the great grief of his friends.

From Milton by Mark Pattison

"Aye," nodded Sir Benedict, "and shall march south to cut off our retreat if haply any of us escape Sir Rollo's onfall."

From Beltane the Smith by Jeffery Farnol

I deem Xaintrailles has tidings that they intend to ride from Peronne to Lihons to-night, and thence make early onfall on us to-morrow. 

From A Monk of Fife by Andrew Lang

That saw Face-of-god and Hall-ward and War-well, and other wise leaders of men, and they bade their folk forbear the chase, and lock their ranks to meet the onfall of this new wave of foemen. 

From The Roots of the Mountains; Wherein Is Told Somewhat of the Lives of the Men of Burgdale by William Morris