Aurvandill

Directly attested in Old Norse narrative summarized by modern sources is a tale in which Thor carries Aurvandill across the icy Élivágar rivers; Aurvandill's toe freezes in the crossing, and Thor casts that frozen toe into the heavens, where it becomes the star called Aurvandils-tá. Scholarly reconstruction based on reflexes of the name in Old English (Ēarendel), Old High German (Aurendil/Orentil), Lombardic (Auriwandalo) and possible Gothic forms posits a Proto-Germanic name (*Auza-/ *Auzi-wandilaz) representing a personification of dawn or the morning star; this reconstructed Common Germanic figure and its association with rising light are interpretive conclusions drawn from comparative linguistic and textual evidence rather than a single extant narrative.

No sustained physical description of Aurvandill survives in the cited sources beyond the narrative detail that one of his toes froze during Thor's crossing and was later transformed into a star called Aurvandils-tá. The wider corpus offers no preserved portrait (height, clothing, or distinctive bodily features) in the provided materials; the primary attested physical detail is the etiological metamorphosis of the toe into a celestial object.

The primary attested ‘ability’ or function in the Norse tale is etiological: Aurvandill is the figure whose frozen toe becomes a star, an origin explanation for a celestial body. Comparative linguistic and textual evidence associates the name with brilliance, rising light or the morning star (paralleling Latin lucifer in some Old English usages), which frames him conceptually as a dawn- or brightness-personification. The provided sources do not attest further active powers, interventions in human affairs, or a wider catalogue of magical abilities.