Noldo
From Tolkien Gateway
Ñoldo (later pronounced Noldo) is a word that refers to "One of the Noldor", the second tribe of the Great March.
It is also the name of the 19th letter of the Tengwar. It is used always in the initial ñ sound occuring in some Quenya words.
In Westron modes it was called Nyé and used for the ny sound.