Dáinn, also spelled Dain, is a character in Norse mythology with various roles attributed to him. In some tales, he is depicted as a dwarf, while in others, he is referred to as the king of elves. There is some ambiguity and overlap with the character Dvalinn.
One notable mention of Dáinn is in the context of King Högni's sword called Dáinsleif, which translates to "Dáinn's legacy." This sword is cursed, and it is said that it must always take a man's life whenever it is unsheathed.
In the Hyndluljóð (7), it is suggested that Dáinn, along with another dwarf named Nabbi, crafted Freyja's boar, Hildisvíni.
The characterization of Dáinn varies in different sources. In the dwarf-þula of the Völuspá (11) and in a stanza by Sigvatr Þórðarson, Dáinn is described as a dwarf. However, in the Hávamál (153), he is mentioned as an elf who was responsible for carving runes. The Hávamál passage states that Odin was for the Aesir, Dain for the elves, Dvalin for the dwarfs, Asvid for the giants, and that Odin himself carved some runes.
In Norse astrology, there are constellations associated with both Dáinn and Dvalin. The Dáinn constellation resembles a deer and is considered an elven name, while the Dvalin constellation is associated with dwarfs. This reflects the multifaceted nature of these characters within Norse mythology, where their roles and identities can vary depending on the source and context.
