Found 2 items, similar to theretofore.
English → English (WordNet) Definition: theretofore theretofore adv : up to that time; “they had not done any work theretofore”
English → English (gcide) Definition: Theretofore Theretofore \There`to*fore"\, adv. Up to that time; before then; -- correlative with heretofore. [1913 Webster]