Origin of Holy Writ
before 1000; Middle English holi writ, Old English hālige writu (plural)
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Figuratively, “holy writ” is any text or document that is presumed to speak with unquestioned authority.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.