Augustodunum

== Latin == === Etymology === From Augustus +‎ Gaulish *dūnon (“fortress”). === Pronunciation === (Classical Latin) IPA(key): [au̯.ɡʊs.tɔˈduː.nũː] (modern Italianate Ecclesiastical) IPA(key): [au̯.ɡus.toˈduː.num] === Proper noun === Augustodūnum n sg (genitive Augustodūnī); second declension a city in Aquitania, now Autun ==== Declension ==== Second-declension noun (neuter), with locative, singular only. ==== Descendants ==== Old French: Ostun Middle French: Austun, Authun French: Autun → English: Autun