frjádagur

== Icelandic == === Etymology === From Old Norse frjádagr, from Proto-West Germanic *Frījā dag (“day of Frigg”). === Noun === frjádagur m (genitive singular frjádags, nominative plural frjádagar) (archaic) Friday ==== Usage notes ==== This word was replaced during Iceland's shift to Christianity by föstudagur, which means simply "fasting day". It is now considered archaic, but may be used jocularly or by some revivalists. ==== Declension ====