hagræddi
Hagræddi is a term used in some discussions of Norse and Icelandic folklore to describe a form of magical practice associated with the hag or witchcraft. The evidence for hagræddi is fragmentary and its exact meaning varies among scholars. In general, the term is linked to a body of alleged techniques, rites, or spells thought to influence people or events through hidden knowledge or ritual action.
The word is typically analyzed as a compound drawn from elements in Norse sources that connote witchcraft
Practices attributed to hagræddi in the sources are described as involving preparation, invocation, and the use
In modern scholarship and popular fantasy, hagræddi is sometimes cited as an example of historic magical traditions