- Original: ἀμέθυστος - Transliteration: amethustos - Phonetic: am-eth'-oos-tos - Definition: 1. amethyst, a precious stone of a violet and purple colour - Origin: from G1 (as a negative particle) and a derivative of G3184 - TDNT entry: None - Part(s) of speech: Noun Feminine - Strong's: From G1 (as a negative particle) and a derivative of G3184 ; the amethyst (supposed to prevent intoxication): - amethyst. Total KJV Occurrences: 1 • amethyst, 1 Revelation 21:20