Ullur is öndurás, the skiing god, who knows the way on which we are /the way on which we should be.
His name means fire, and can also refer to the zodiac sign aries, the ram, Ýdalir.
As this special kind of fire, Ullur burns up the vicious cycle of actions, in which we unwillingly circle until we become einherjar, enlightened men living in Valhöll
úl comes from Sanskrit, fire, becomes Ullur in Icelandic.

See also Urður Verðandi Skuld
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Listen to pronunciation: Ullur Ýdalir, Urður Verðandi Skuld