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protograph

From Wiktionary, the free dictionary

English

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Etymology 1

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Borrowed from Latin protographum.

Noun

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protograph (plural protographs)

  1. (textual criticism) The original manuscript of a given text, from which all further copies derive.
Translations
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Etymology 2

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From proto- +‎ graph.

Noun

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protograph (plural protographs)

  1. (mathematics) A projected graph.