chanfrein

Etymology 1
From the verb, formed from  (from ) and.

Noun

 * 1) chamfer, bevel obtuse-angled relief or cut at an edge

Etymology 2
. The first part of the word is of uncertain origin. It may be composed of the elements  (French ) and  (French ), with an unexplained nasalization (possibly influenced phonetically by the above, unrelated word in Etymology 1). Alternatively the first element may be derived from, , from Latin.

Noun

 * 1) chamfron, chamfrein protective armor for horse's head