•bezel (rim and flange which encompasses and fastens a jewel or other object) · lunette (small opening in a vaulted roof of a circular or crescent shape; crescent-shaped recess or void in the space above a window or door)
köken: From Old French chaston, chastun, from Frankish *kastō (“box”, “case”), from Proto-Germanic *kastô (“vessel”, “container”), extended form of *kasą, *kazą.