More kenning questions for you:)

From the Brávallarímur by Árni
Böðvarsson (18th century):

Ilja kvistar Örvandils
ilmar dyggðum sunna hyls.

The Sunna of Örvandill's
deep-water-sole-twig smells
pleasant with virtues.

1. Who is Örvandill?
2. What is a sole-twig?
3. What is Örvandill's sole-twig?
4. What is an Örvandill's sole twig of deep water?
5. What is a Sunna of all that?

Now, come on, send in the answer!

Regards,
Haukur