aureus
nounUK /ˈɔːɹɪəs/ · US /ˈoɹiəs/
Etymology From Latin aureus (“golden; gold coin equivalent to 25 denarii”), noun use of adjective, from aurum (“gold”). Doublet of eyrir, öre, øre, and oyra.
1
Historical A gold coin, minted in the Roman Empire from approximately 100 B.C.E. to 309 C.E., equal to 25 denarii.