Indo-European language, Indo-Hittite, Indo-European - the family of languages that by 1000 BC were spoken throughout Europe and in parts of southwestern and southern Asia

Thracian - a Thraco-Phrygian language spoken by the ancient people of Thrace but extinct by the early Middle Ages

Phrygian - a Thraco-Phrygian language spoken by the ancient inhabitants of Phrygia and now extinct--preserved only in a few inscriptions