Un-geþanc

According to the Old English Dictionary:

es;

un-geþanc

m. n. Evil thought :-- Bútan hé mid fulre dǽdbóte his ungeþanc gebéte, R. Ben. 21, 6. Áfyrsiaþ of mínre gesyhðe ða ungeðanc eówra heortena auferte malum cogitationum vestrarum ab oculis meis, Wulfst. 48, 20. un-geþanc