cyanus
From LSJ
θοῦ, Κύριε, φυλακὴν τῷ στόµατί µου καὶ θύραν περιοχῆς περὶ τὰ χείλη µου → set a guard over my mouth, Lord; keep watch over the door of my lips | set a guard, O Lord, over my mouth; keep watch over the door of my lips (Psalm 140:3, Septuagint version)
Latin > English
cyanus cyani N F :: precious stone (like lapis-lazuli); blue cornflower/blue-bottle Centaurea cyanus
Latin > German (Georges)
cȳanus (od. -os), ī, m. (κύανος), I) die blaue Kornblume (Centaurea Cyanus, L.), Plin. 21, 48 u. 68. – II) ein Edelstein, eine Art des Lapis Lazuli, Plin. 37, 119.
Latin > French (Gaffiot 2016)
cўănus, ī, m. (κύανος), bluet, barbeau [plante] : Plin. 21, 48.