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theretofore

American  
[thair-tuh-fawr, -fohr] / ˌðɛər təˈfɔr, -ˈfoʊr /

adverb

  1. before or until that time.

theretofore British  
/ ˌðɛətʊˈfɔː /

adverb

  1. formal before that time; previous to that

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of theretofore

First recorded in 1300–50, theretofore is from Middle English ther tofore. See there, heretofore

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.