名詞 onyx:

1. a chalcedony with alternating black and white bands; used in making cameos

on.yx

n.（名詞）
A chalcedony that occurs in bands of different colors and is used as a gemstone, especially in cameos and intaglios.
縞瑪瑙：一種帶有條紋和多種顏色的玉髓，它被用來作飾物的寶石，常用于浮雕和凹雕

來源：
Middle English onix
中古英語(yǔ) onix
from Old French
源自 古法語(yǔ)
from Latin onyx
源自 拉丁語(yǔ) onyx
from Greek onux [nail, onyx] * see nogh-
源自 希臘語(yǔ) onux [指甲，縞瑪瑙] *參見 nogh-