obligatorium

== Latin == === Adjective === obligātōrium inflection of obligātōrius: nominative/accusative/vocative neuter singular accusative masculine singular === References === "obligatorium", 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)