# Proto-Indo-European

> English word · Proper noun · IPA /ˌpɹəʊ̯təʊ̯ˌɪndə(ʊ̯)ˌjʊə̯ɹəˈpiːən/

## Definitions
1. The reconstructed ancestor language or protolanguage of the Indo-European family of languages, which includes most European, Iranian, and Indian languages.

## Etymology
From proto- + Indo-European.

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