The river is attested as ad flumen Argenteum in the 1st century BC, Argenteus in the 1st century AD, and A̓rgentíou (Ἀργεντίου) in the 2nd century. It derives from the Latin or Celtic word for 'silver'.[3]
Falileyev, Alexander (2010). Dictionary of Continental Celtic Place-names: A Celtic Companion to the Barrington Atlas of the Greek and Roman World. CMCS. ISBN978-0955718236.