Languages attested from the 6th century BC

Western Iranian language

language of Achaemenid Empire and ancestor of Middle Persian

ancient Celtic language

Old Iranian language

extinct Indo-European language

Siculian (or Sicel) is an extinct Indo-European language spoken in central and eastern Sicily by the Sicels. It is attested in fewer than thirty inscriptions in eastern Sicily from the late 6th century to 4th century BCE, and in around twenty-five glosses from ancient writers.

ancient Italic language

historical group of Indo-Aryan languages which developed from 600 BCE to 1000 CE, and used in literature until about 1500 CE