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Jörmungandr

World Serpent in Norse mythology

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 5, 2026
Entity authorityQ181227
Source-derived summary

In Norse mythology, Jörmungandr (Old Norse: Jǫrmungandr, see Etymology), also known as the Midgard Serpent or World Serpent (Old Norse: Miðgarðsormr, "worm of Midgard"), is an unfathomably large and monstrous sea serpent (or "worm", see Germanic dragon) who dwells in the world sea, encircling the Earth (Midgard) and biting his own tail, an example of an ouroboros. As a result of him surrounding Midgard, the beast is referred to as the World Serpent. Jörmungandr releasing his tail is one of the signs of the beginning of Ragnarök.

Jörmungandr is said to be the middle child of the god Loki and the jötunn Angrboða. According to the Prose Edda, Odin took Loki's three children by Angrboða – the wolf Fenrir, underworld ruler Hel, and the serpent Jörmungandr – and removed them from Asgard (the world of the Æsir). The serpent Jörmungandr was tossed into the great ocean that encircles Midgard. There the serpent grew so large that he was able to surround the Earth and grasp his own tail. The old Norse thunder god, Thor, has a lengthy feud with Jörmungandr and the serpent is regarded as his archenemy. During Ragnarök, Thor and Jörmungandr engage in a ferocious battle, culminating in both of their deaths.

Etymology

The name Jǫrmungandr is a poetic title and consists of the prefix jǫrmun- and the word gandr.

Editorial summary

This brief starts where responsible research should: with the source description of “Jörmungandr” as world Serpent in Norse mythology. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current 222-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. The account is most persuasive where Jörmungandr, World and Serpent can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as world Serpent in Norse mythology. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 5, 2026. The linked authority identifier is Q181227. None of the 0 selected statements returned an explicit reference.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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Source & attribution

This entry incorporates text from Jörmungandr” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.