sejd

From Icelandic seiður, from Old Norse seiðr (“sorcery, witchcraft”).

• IPA^(key): /sajd/, [sɑjˀd̥]

sejd c (singular definite sejden, not used in plural form)

1. (Norse mythology) a particular kind of sorcery, witchcraft
2. (Norse mythology) magic potion

• magi, trolddom, trolderi, trylleri

• “sejd” in Den Danske Ordbog

Borrowed from Icelandic seiður or Old Norse seiðr. First attested in 1712.

sejd c

1. (Norse mythology) seiðr
   • 1905, Verner von Heidenstam, Folkungaträdet: Folke Filbyter [The Tree of the Folkungs: Folke Filbyter]‎^[1], Albert Bonniers förlag, accessed at Litteraturbanken.se, courtesy of Göteborgs universitetsbibliotek, archived from the original on 2 September 2025:

     Bönderna sade [...] att hon [har] försökt att [öva] sejd mot dig, konung Inge.

     The farmers said that she has tried to use seiðr against you, King Inge.

   • 1926, Erik Gustaf Geijer, edited by John Landquist, “Den nordiska sagan [The Nordic saga]”, in Samlade skrifter IV [Collected Works IV]‎^[2], P. A. Norstedt & Söners förlag, accessed at Litteraturbanken.se, courtesy of Göteborgs universitetsbibliotek, archived from the original on 2 September 2025, page 395:

     Genom den trollkonst, som kallas sejd, hade han blivit hård mot alla vapen.

     Through the form of magic called seiðr, he had become resistant to all weapons.

• sejda
• sejdare

• sejd in Svenska Akademiens ordböcker
• sejd in Elof Hellquist, Svensk etymologisk ordbok (1st ed., 1922)