Amethyst (noun)

1. A purple variety of quartz that is used as a gemstone.
2. A purple color.

Origin:

The word 'amethyst' comes from the greek word 'amethystos' which means 'not drunken' or 'sober.'.

Examples:

1. The beautiful amethyst on her finger caught the light.
2. The walls were painted a rich amethyst color.
3. She collected amethysts from all over the world.
4. The amethyst was cut into a perfect oval shape.
5. The amethyst pendant sparkled in the sun.