navum

• (Classical Latin) IPA^(key): [ˈnaː.wũː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈnaː.vum]

nāvum

1. inflection of nāvus (“active; busy; diligent”):
   1. nominative/accusative/vocative neuter singular
   2. accusative masculine singular

• "navum", 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)