"Italy" (Italia) has contested origins, with three leading theories spanning ancient languages and legends.
From Oscan Víteliú → Latin Vitellia → Italia. Meaning: "land of calves" or "land of young cattle." The southern Italian tribe (Vitelli) used a bull as totem. Greeks adopted as Italoi, Romans as Italia—initially just the "toe" (Calabria), later expanding northward.
Greek sources (Aristotle, Thucydides) mention Italus, an Oenotrian king who gave his name to the land. Likely eponymous myth explaining existing place name rather than historical figure.
Proposed Celtic root itios ("bull"). Less linguistically supported; Celtic presence in Italy was northern (Cisalpine Gaul), not southern where name originated.
The bull symbol persists: Turin's (Torino) name and emblem derive from taurus (bull). The Italian national football team's nickname: Gli Azzurri (The Blues), but bull imagery appears in regional heraldry.