arduitas

arduus +‎ -tās

• (Classical Latin) IPA^(key): [arˈdu.ɪ.taːs]
• (modern Italianate Ecclesiastical) IPA^(key): [arˈd̪uː.i.t̪as]

arduitās f (genitive arduitātis); third declension

1. (Classical Latin) steepness (state or quality of being steep)
2. (Medieval Latin) eminence, importance, prominence
3. (Medieval Latin) arduity, arduousness, difficulty

Third-declension noun.

• (eminence, importance, prominence): ēminentia (Classical)

• “ardŭĭtas”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• "arduitas", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• ardŭĭtās in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette, page 157/2.
• “arduitās” on page 165/3 of the Oxford Latin Dictionary (1st ed., 1968–82)
• Niermeyer, Jan Frederik (1976) “arduitas”, in Mediae Latinitatis Lexicon Minus, Leiden, Boston: E. J. Brill, page 58/2