amethistus

== Latin == === Noun === amethistus m (genitive amethistī); second declension alternative form of amethystus ==== Declension ==== Second-declension noun. === References === "amethistus", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)