Lár-swic
Bosworth & Toller Anglo-Saxon Old English Dictionary - lár-swic
According to the Old English Dictionary:
es;
- lár-swic
- m. n.[?] Deception, seduction, delusion, treachery :-- Mycel is nýdþearf manna gehwylcum, ðæt hé wið deúfles lárswice warnige symle, Wulfst. 309, 14. lar-swic