naður
Naður is a term that can refer to several different concepts, primarily in the context of Icelandic language and culture. Most commonly, it signifies a serpent or snake. In Icelandic folklore and mythology, naður often appears as a mythical creature, sometimes benevolent, sometimes malevolent, and is frequently associated with water or underground realms. The word itself is derived from Old Norse.
Beyond its literal meaning of serpent, naður can also be used metaphorically. It might describe something winding,
In a more specific, though less common, usage, "naður" can also refer to a type of knot,