# Indo-European

> English word · Proper noun · IPA /ˌɪndəʊˌjʊəɹəˈpiːən/

## Definitions
1. 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.
2. Proto-Indo-European: the hypothetical parent language of the Indo-European language family.

## Etymology
Coined by English polymath Thomas Young in 1813, 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).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/indo-european