Etruscan first name (in inscriptions arnth, arunth, arenth), Lat. Ar(r)uns. Only Romans of Etruscan origin bore this name (abbreviation Ar.). Praenomen in the gens Tarquinia [1; 2].
[1] Legendary Etruscan
Legendary Etruscan in the army of Tarchon who was allied with Aeneas (Verg. Aen. 11,759-867).