Strong's G271 — ἀμέθυστος (noun)
amethustos (am-eth'-oos-tos) n.
1. the "amethyst" (supposed to prevent intoxication)
[from G1 (as a negative particle) and a derivative of G3184]
KJV: amethyst 
Root(s): G1, G3184 
Hebrew root: μεθύω
Occurrences: 1