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Indo-European. No longer in scholarly use.
In•do-Eu•ro•pe•an(ˈɪn doʊˌyʊər əˈpi ən)
1. a family of languages spoken or formerly spoken in Europe and SW, central, and S Asia, and carried by colonization and conquest since c1500 to many other parts of the world: major branches of Indo-European are Anatolian, Indo-Iranian, Armenian, Greek, Slavic, Baltic, Albanian, Germanic, Tocharian, Italic, and Celtic.
2. a member of any of the peoples speaking an Indo-European language.
a. the language ancestral to the Indo-European languages; Proto-Indo-European. Abbr.: IE
b. a speaker of this language.
4. of or pertaining to Indo-European or its speakers.