Another name for Nienna in the earliest Lost Tales (LT1/66), derived from the root ᴱ√NURU having to do with growling (QL/68).
Early Quenya
nienna
feminine name. Nienna
fui
feminine name. Death-goddess, Nienna
núri
feminine name. Fui
Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!
Sobriquet for the female Vala ᴱQ. Fui, at this stage the wife of Mandos (LT1/66). Her name appeared as Nyenna in the Qenya Lexicon, a derivative of either ᴱ√NYE(NE) “bleat” or ᴱ√NYEHE “weep” (QL/68).