From the Greek term ἀνάργυρος (anargyros) meaning “poor, incorruptible”, derived from Greek ἀ (a), a negative prefix, combined with ἄργυρος (argyros) meaning “silver”. This term referred to saints who did not accept payment for their services.
From a Roman family name that meant “ancestral” in Latin. This was the name of an emperor who briefly reigned over the Western Roman Empire in the 5th century. It was also the name of several saints, including a 6th-century bishop of Vienne.