arduum

== Latin == === Noun === arduum n (genitive arduī); second declension steep place, steep (figuratively) difficulty ==== Declension ==== Second-declension noun (neuter). === Adjective === arduum nominative neuter singular of arduus === References === “arduum”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers arduum in Enrico Olivetti, editor (2003-2026), Dizionario Latino, Olivetti Media Communication