The ouroboros or uroboros is an ancient symbol depicting a snake or dragon eating its own tail. The ouroboros entered Western tradition via ancient Egyptian iconography and the Greek magical tradition
A dragon-like ouroboros in a 1478 drawing in an alchemical tract
First known representation of the ouroboros, on one of the shrines enclosing the sarcophagus of Tutankhamun
A highly stylised ouroboros from The Book of Kells, an illuminated Gospel Book (c. 800 CE)
Engraving of a wyvern-type ouroboros by Lucas Jennis, in the 1625 alchemical tract De Lapide Philosophico. The figure serves as a symbol for mercury.
In Norse mythology, Jörmungandr, also known as the Midgard Serpent or World Serpent, is an unfathomably large and monstrous sea serpent or worm who dwells in the world sea, encircling the Earth and bi
Ouroboros
…Consurgens, features the ouroboros, where it is used among symbols of the sun, moon, and mercury. In Norse mythology, the ouroboros appears as the serpent Jörmungandr, one of the three children of Loki and Angrboda, which grew so large that it could encircle the world and grasp its tail in its teeth. In the legends…
Thor lifts Jörmungandr, disguised as a cat. (Lorenz Frølich)
Thor's fishing trip depicted on the Altuna Runestone, one of the few confirmed Viking Age depictions of Jörmungandr.
Thor fishing for the Midgard Serpent in an illustration from an 18th-century Icelandic manuscript
Thor Battering the Midgard Serpent (1790) by Henry Fuseli