nikyr
On the Isle of Man and in the Manx language, a dreaded water demon, probably derived from the Scandinavian water monster nicker. The creature's reputation lives on in the name the Nikissen, the Nikyr's river.
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References
Source
- Killip, M. (1976). The folklore of the Isle of Man. Totowa, N.J.: Rowman and Littlefield, p. 177.