jacinth

英 ['dʒæsɪnθ; 'dʒeɪ-] 美['dʒesɪnθ]

jacinth: jacinth: see hyacinth
jacinth (n.): c. 1200, a blue gem (occasionally a red one), from Old French jacinte "hyacinth; jacinth" (see hyacinth). In modern use, a reddish-orange gem.