[4] of: Of (ms. ‘vm’) is here taken to be the expletive particle. Kuhn (1929a, 14) regards it as a prep. ‘over’, but this interpretation is rejected by Finnur Jónsson (LP: ský). Jón Helgason (1968) suggests that ms. ‘scys vm’ may be a corruption of skýjum, though he points out that the acc. rather than the dat. should be expected after við.