Dofian

According to the Old English Dictionary:

dofian

p. ode To be doting, stupid:--Dobgendi, dobende decrepita, Txts. 55, 638. [D. D. dove to be in a doting state, be stupid. O. H. Ger. tobón (-én) delirare. Cf. Icel. dofna to become dead (of a limb); dofi torpor.] v. next word. dofian