Obs. [? derivative of CHAMFER v.; not in French.] = CHAMFER v. 2.
1611. Cotgr., Braser, to skue or chamfret, viz. to slope the edge of a stone. Ibid., Embrasé skued, or chamfretted. Ibid., Embrasure the skuing, splaying, or chamfretting of a doore, or window.
(These quotations show the first appearance of what is now the current sense of chamfer.)