noun
- A prehistoric unrecorded language that was the ancestor of all Indo-European languages.
- synonyms: PIE
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). proto-indo european. Retrieved September 30, 2026, from http://smartdefine.org/proto-indo_european/definitions/1218266 |
| Chicago | WordNet. 2010. "proto-indo european" http://smartdefine.org/proto-indo_european/definitions/1218266 (accessed September 30, 2026). |
| Harvard | WordNet 2010, proto-indo european, Smart Define, viewed 30 September, 2026, <http://smartdefine.org/proto-indo_european/definitions/1218266>. |
| MLA | WordNet. "proto-indo european" 23 October 2010. Web. 30 September 2026. <http://smartdefine.org/proto-indo_european/definitions/1218266> |