The verb is stay. It is an action verb.
sleep far away from the hall
hope this helps :)
I'd say that the theme of the verse is vengeance.
Odysseus killed Poseidon's (Neptune's) son Polyphemus, the cyclops, and that is why Neptune is trying his best to kill Odysseus while he is at sea - however, he is failing to do so because Odysseus has protection from other gods.
