[3] leynisíka ‘of the hiding fishes’: The base-word of a kenning for a snake. Síkr is the Old Norse word for a kind of whitefish, either the houting (Coregonus lavaretus), an extinct species of whitefish, Coregonus oxyrhinchus, once found in rivers, lakes and the Baltic and eastern parts of the North Sea, or Coregonus maraena, another European whitefish. On these fish, see FishBase (www.fishbase.org). See also Note to Þul Fiska 2/3.