rubinus

From rubeus (“red”) + -īnus (“-ine”, adjectival derivational suffix).

• (Classical Latin) IPA^(key): [rʊˈbiː.nʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [ruˈbiː.nus]

rubīnus m (genitive rubīnī); second declension

1. (Medieval Latin) carbuncle, ruby

Second-declension noun.

• rubīnālis

• "rubinus", 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)