Elvish refers to a group of fictional languages created by J.R.R. Tolkien for the various Elven races in his literary works, including The Lord of the Rings and The Silmarillion. The most developed of these languages are Quenya and Sindarin, each with its own grammar, vocabulary, and cultural significance. These languages are not just mere constructs; they reflect the rich history and mythology of the Elves, showcasing Tolkien's deep love for linguistics and storytelling. Elvish has inspired many fans and linguists alike, leading to a vibrant community dedicated to learning and expanding upon these beautiful languages.