sentences:  Garnet derives from Old French "grenat" by metathesis, from Medieval Latin "granatum" as used in a different meaning "of a dark red color".This derivation may have originated from "pomum granatum", describing the color of pomegranate pulp, or from "granum", referring to "red dye, cochineal".The French term for pomegranate, "grenade", has given its name to the military grenade.