indo-european

adj. 1 of the family of languages spoken over most of europe and asia as far as n. India. 2 of the hypothetical parent language of this family. n. 1 indo-european family of languages. 2 hypothetical parent language of these.

a. Aryan; -- applied to the languages of India and Europe which are derived from the prehistoric Aryan language; also, pertaining to the people or nations who speak these languages; as, the Indo-European or Aryan family.