Delan

According to the Old English Dictionary:

delan

Dele, and for the passage substitute:--Ǽr þon engla wearð (weard, MS.) for oferhygde dǽl on gedwilde; noldan dreógan leng heora selfra rǽd ere of the angels part from pride fell into error; they would not longer do what was best for themselves, Gen. 23. delan