veði
Veði is a term that appears in Icelandic-language sources and related Norse texts. It is most commonly encountered as a historical inflection of the noun veðr or veður, which in modern Icelandic refers to weather or atmospheric conditions. In older texts, veði functioned as a case form of the word and can be found in poetry and prose that preserves earlier grammatical forms.
In contemporary usage, veði is rarely used outside linguistic discussion, philology, or stylistic, archaic, or poetic
The study of veði sheds light on the grammatical history of weather-related vocabulary in North Germanic languages