STEP Greek Lexicon: ὑακίνθινος

ὑακίνθινος, -η, -ον

(ὑάκινθος), [in LXX for תַּחַשׁ, תְּכֵלֶת ;]

of hyacinth, hyacinthine (see: ὑάκινθος), "doubtless meant to describe the blue smoke of a sulphurous flame" (Swete): Rev.9:17 (Hom., Eur., al.).†

(AS)