<span class="searchmatch">arduum</span> n (genitive arduī); second declension steep place, steep (figuratively) difficulty Second-declension noun (neuter). <span class="searchmatch">arduum</span> nominative neuter singular...
feminine singular of arduo ardua nominative/accusative/vocative plural of <span class="searchmatch">arduum</span> ardua inflection of arduus: nominative/vocative feminine singular...
Italianate Ecclesiastical) IPA(key): [ˈar.d̪u.us] arduus (feminine ardua, neuter <span class="searchmatch">arduum</span>); first/second-declension adjective lofty, high, steep, tall, elevated hard...
Patrologia Latina (volume 9), Jacques-Paul Migne (editor), 1844, page 952: <span class="searchmatch">Arduum</span> in coelum iter hominis est, et aditus angustus ac tenuis: cēterum perditiōnis...
Battle of Britain Novel, The Book Conspiracy, published 2018, →ISBN, part 2 (<span class="searchmatch">Arduum</span>), page 124: ‘Well, son, quite a few Americans have joined us, but none of...