A deep red color resembling that of a pomegranate; also, garnet stone.
From French 'grenat' (garnet), from 'grenade' (pomegranate), as the stone's deep red color resembles pomegranate seeds.
Medieval gemstone naming shows how people described minerals by comparing them to familiar fruits—calling garnet 'grenat' made precious stones feel more understandable to common people.
Complete word intelligence in one call. Free tier — 50 lookups/day.