chamfer

/ˈʃæm.fə/

ƩÆM · fə (2 syllables)

English Noun

Definition

An obtuse-angled relief or cut at an edge added for a finished appearance and to break sharp edges.

Etymology

Back-formation from chamfering, from Middle French chanfrain, from Middle French, Old French chanfraindre, possibly a compound of chant (“corner”), from Latin canthus (of either Celtic or Latin origin) + fraindre (“to break”), from frangō (“I break”).