Quenya is the artificial language most associated with the Noldor Elves in Tolkien’s writings.
Quenya is one of Tolkien’s major Elvish languages and is especially associated with the Noldor, a group of Elves whose history dominates much of The Silmarillion. Tolkien based aspects of its sound and structure on languages including Finnish, while developing its vocabulary and grammar as part of his larger creative project.
In the history of Middle-earth, Quenya originated among the Elves of Aman and was brought to Middle-earth by the Noldor who returned during the First Age. It later functioned in many contexts as a language of lore, ceremony, and elevated speech rather than the everyday language of most Elves in Middle-earth.
Sindarin is the main alternative readers often confuse with Quenya. Sindarin became the commonly spoken Elvish language among many Elves of Middle-earth and was especially associated with the Sindar. Both languages appear in Tolkien’s names and poems, but they are distinct languages with different historical development.