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