%forefend%

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. [ 1913 Webster ]

God forefend it should ever be recorded in our history. Landor. [ 1913 Webster ]

It would be a far better work . . . to forefend the cruelty. I. Taylor. [ 1913 Webster ]