Suppletion meaning

sə-plēshən
The use of an unrelated form to complete a paradigm, as the past tense went of the verb go, goes, going, gone.
noun
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The supplying of something lacking.
noun
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The morphological process by which such replacement occurs.
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(grammar) The use of an unrelated word or phrase to supply inflected forms otherwise lacking, e.g. using “to be able" as the infinitive of “can", or “better" as the comparative of “good".
noun
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(grammar) More loosely, use of unrelated (distantly related) words for semantically related words which may not share the same lexical category, such as father/paternal or cow/bovine.
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Origin of suppletion

  • From Latin supplētus past participle of supplēre to supply supply

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin supplere (“to supply"), perfect stem supplet-, + -ion.

    From Wiktionary