Weekly Word: Chatoyant

Found from A.Word.A.Day, the adjective chatoyant means “changing in luster or color”.

Chatoyancy in a tiger's eye gemstone A chatoyant tiger's eye gemstone.

From Wikipedia, chatoyancy or chatoyance “is an optical reflectance effect seen in certain gemstones.” According to the American Heritage Dictionary, the word comes from French chatoyer, which means “to shimmer like cats’ eyes” – chat is French for cat.