Syn-dǽd

According to the Old English Dictionary:

e;

syn-dǽd

f. A sinful deed, sin, wicked act:--For syndǽda ðara eardendra ðe hire on lifdan a malitia inhabitantium in ea, Ps. Th. 106, 33. Se deófol ða syndǽda stǽleþ on ða gástas, Wulfst. 256, 7. syn-dæd