Hǽlig

According to the Old English Dictionary:

hǽlig

adj. Slippery, easily moved, fickle, inconstant; levis :-- Ðam ungestæþþegan and ðam hǽlgan ðú miht secggan ðæt hé biþ winde gelícra oððe unstillum fugelum levis, atque inconstans studio permutat? nihil ab avibus differt, Bt. 37, 4; Fox 192, 23. [Cf. Icel. háll slippery : O. H. Ger. háli lubricus, caducus.] hælig