The story
- Late Latin · borrowed fromAntōnīniānus“pertaining to Antoninus”
- English todayantoninianus
From Late Latin Antōnīniānus (“pertaining to Antoninus”). Speculatively named in modern times after an Antoninus mentioned in the Augustan History, after whom some silver coins were said to be named. However, it is not known what this coin was called in antiquity.
Etymology from Wiktionary, CC BY-SA 4.0.