The Collaborative International Dictionary
Forefend \Fore*fend"\, v. t. [OE. forfenden; pref. for- + fenden to fend. See Fend, v. t.] To hinder; to fend off; to avert; to prevent the approach of; to forbid or prohibit. See Forfend.
God forefend it should ever be recorded in our history.
--Landor.
It would be a far better work . . . to forefend the
cruelty.
--I. Taylor.
Douglas Harper's Etymology Dictionary
see forfend.
Wiktionary
vb. (alternative spelling of forfend English)
Usage examples of "forefend".
God forefend that her, whom, as to the more worthy, He has given to thee, I should ever accept of thee for mine.
If such danger truly threatens and can be forefended, Prime Priest Favel's debt is paid even though Lim Ferrence has been killed.