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proto-form

American

[proh-toh-fawrm] / ˈproʊ toʊˌfɔrm /

noun

Linguistics.

a hypothetical linguistic form reconstructed as an element of a protolanguage.

Etymology

Origin of proto-form

First recorded in 1960–65

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.