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.

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.

Of or relating to the languages originally spoken in Europe and Western Asia.

plural of Indo-European

(linguistics, uncountable) The reconstructed ancestor language or protolanguage of the Indo-European family of languages, which includes most European, Iranian, and Indian languages.

(anthropology, countable) A person who spoke the Proto-Indo-European language.

(linguistics, anthropology) Of or pertaining to the Proto-Indo-European language, or the people who spoke it.

plural of Proto-Indo-European

An academic study of the Indo-European languages in relation to Proto-Indo-European, and sometimes of related humanities.

(Indo-European studies) A scientist (usually a linguist or anthropologist) engaged in Indo-European studies.