Heáh-synn

According to the Old English Dictionary:

e;

heáh-synn

f. Mortal sin, crime, wickedness :-- Héhsynn crimen, Rtl. 187, 25. Búta héhsynne sint sine crimine sunt, Mt. Kmbl. Lind. 12, 5. Bebeorh ðé wið ða eahta heáhsynna cave tibi ab octo capitalibus criminibus, L. Ecg. C. pref; Th. ii. 132, 5. Héhsynna scelera, Rtl. 5, 16. Héhsynno facinora, 42, 15. heah-synn