Merriam-Webster Collegiate Dictionary - indo-aryan

 noun  Date: 1881  1. a member of one of the peoples of the Indian subcontinent speaking an Indo-European language  2. one of the early Indo-European invaders of southern Asia  3. a branch of the Indo-European language family that includes Hindi, Bengali, Punjabi, and other languages spoken primarily in India, Pakistan, Bangladesh, and Sri Lanka — see Indo-European languages table  • ~ adjective