Be-fýlan
Bosworth & Toller Anglo-Saxon Old English Dictionary - be-fýlan
According to the Old English Dictionary:
-fílan;
- be-fýlan
- p. -fýlede; pp. -fýled, -fíled, -fýld; [be, fúl foul] To BEFOUL, pollute, defile, make filthy; inquinare, fœdare, contaminare :-- Befíled, L. Ælf. P. 45; Th. ii. 384, 11 : Basil. admn. 7 ; Norm. 48, 23 : Lchdm. iii. 208, 7 : Cot. 104. be-fylan