am·e·thyst
noun/ˈæməθɪst/
/ˈæməθɪst/
[countable, uncountable]- a purple semi-precious stone, used in making jewellery
紫水晶；紫晶 - an amethyst ring
紫水晶戒指
Word OriginMiddle English: via Old French from Latin amethystus, from Greek amethustos ‘not drunken’ (because the stone was believed to prevent intoxication). - an amethyst ring