Definition from Wiktionary, the free dictionary
Coined in 1813 by Sir Thomas Young, from Indo- + European, relating to the geographical extremes in India and Europe (which was valid before the discovery of Tocharian languages in the early 20th century).
Proper noun 
- A major language family which includes many of the native languages of Europe, Western Asia and India, with notable Indic, Iranian and European sub-branches.
- Proto-Indo-European: the hypothetical parent language of the Indo-European language family.
- (dated) Indo-Germanic
Related terms 
See also 
- A member of the original ethnolinguistic group hypothesized to have spoken Proto-Indo-European and thus to have been the ancestor for most of India and Western Eurasia.
member of Proto-Indo-European ethnolinguistic group
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.
- Of or relating to the languages originally spoken in Europe and Western Asia.
- Of or relating to the hypothetical parent language of the Indo-European language family. Also called Proto-Indo-European and abbreviated PIE.
- Of or relating to the hypothetical group of peoples that spread Indo-European languages.
of or relating to languages originally spoken in Europe and Western Asia
of or relating to hypothetical parent language of Indo-European language family
of or relating to hypothetical group of peoples having spread Indo-European languages