úlfur

Etymology
From, from , from.

Noun

 * 1) a wolf
 * 2) parhelion, sun dog
 * 3) Lupus

Usage notes
In the sense “parhelion”, this term refers to a parhelion seen to the east (i.e. viewer’s left) of the sun, described as following the sun. The term is used for the parhelion on the other side (“ahead of” the sun).