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proto-form

[proh-toh-fawrm] /ˈproʊ toʊˌfɔrm/
noun, Linguistics
1.
a hypothetical linguistic form reconstructed as an element of a protolanguage.
Origin of proto-form
1960-1965
1960-65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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