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Proto-Indo-European

American  
[proh-toh-in-doh-yoor-uh-pee-uhn] / ˈproʊ toʊˌɪn doʊˌjʊər əˈpi ən /

noun

  1. the unattested prehistoric parent language of the Indo-European languages; Indo-European.


adjective

  1. of or relating to Proto-Indo-European.

Proto-Indo-European British  

noun

  1. the prehistoric unrecorded language that was the ancestor of all Indo-European languages

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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See Examples For:

Hedge and haw derive from the Proto-Indo-European root kagh, “to catch.”

From The Wall Street Journal Apr. 21, 2026

“Nectere,” in turn, grew from the ancient Proto-Indo-European language root *ned — which also means “to bind.”

From Seattle Times Jan. 26, 2024

She traces the roots of her favorite word in English, marshes, to the Old English mor and the Proto-Indo-European mer, “meaning ‘to hurt,’ ‘to die’ or even ‘sea.’

From New York Times Mar. 8, 2022

It is thought Albion may be derived from the Latin albus, which means white, although there is another possible etymology in a Proto-Indo-European word for "hill".

From BBC Aug. 28, 2012

But no Proto-Indo-European word can be reconstructed for “gun,” which uses different roots in different modern Indo-European languages: “gun” in English, “fusil” in French, “ruzhyo” in Russian, and so on.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

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