For-hátan

According to the Old English Dictionary:

for-hátan

p. -hét, -héht; pp. -háten [for, hátan to call] To renounce, forswear; renuntiāre, ejurāre :-- Búton he hit forhíten hæbbe unless he have forsworn it, L. Ælf. P. 47; Th. ii. 384, 30. for-hatan