It's an Icelandic language word meaning theories. In Icelandic and Nordic, it can also mean symbols, names. They are rhetorical figures used in the Middle Ages (between the ninth and eleventh centuries) in some literary works of Norway and Iceland. The word as such is the plural of kenning (symbol, name, theory, know).
Plural of kenning . Poetic constructions as metaphors typical of medieval Icelandic and Norwegian Viking literature. In the Viking sagas, in which José Luis Borges (History of Eternity) was very interested, it is called, for example, the tongue, sword of the mouth, to the sea, meadow of the gull, to the chest, seat of the laughter, to the teeth, the cliffs of words. . . In grettir's saga: The hero killed son Mak. There was a storm of swords and crow food.
