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1. The family of languages that by 1000 BC were spoken throughout Europe and in parts of southwestern and southern Asia
   - Indo-European language, Indo-Hittite
    
2. A member of the prehistoric people who spoke Proto-Indo European
   - Aryan

1. Of or relating to the Indo-European language family
   - Indo-Germanic
    
2. Of or relating to the former Indo-European people
   "Indo-European migrations";
   - Indo-Aryan, Aryan

Derived forms: Indo-Europeans

Type of: natural language, primitive, primitive person, tongue

Encyclopedia: Indo-European