fæðunni
Fæðunni is the definite dative singular form of the Icelandic noun fæða, which means nourishment or food. In Icelandic, fæða can refer to what sustains living beings, ranging from daily sustenance to a broader sense of nourishment. The form fæðunni signals that the noun is definite and in the dative case.
In Icelandic grammar, fæða declines through grammatical cases, and the definite singular dative form is fæðunni.
Etymology traces fæða to Old Norse fæða, with cognates in related North Germanic languages. The word has
Usage and tone: In contemporary Icelandic, fæðunni is primarily encountered in literary, historical, or ritual contexts