chamfer
演变路径（由近及远）
- 英语
- 借自 ←中古法语 chanfrain
- 源自 ←中古法语
- 源自 ←古法语 chanfraindre
- 源自 ←拉丁语 canthus
词源说明
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 (“to break”).