Hitherto
Defined in 2 dictionaries — Black's (1910), Anderson (1889)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In legal use, this term always restricts the matter in connection with which it is employed to a period of time already passed. Mason v. Jones, 13 Barb. (N. Y.) 479.
A Dictionary of Law
William C. Anderson · 1889
Restrains the meaning of a phrase to a period of time then elapsed.*