Wilwarin

Wilwarin was one of the star constellations in the heavens of Arda.

History
Wilwarin like Soronúmë, Anarrima and Menelmacar were a collection of stars gathered by Varda before the Awakening of the Elves and set in the heavens as signs to come.

Etymology
Wilwarin is a Quenya word that meant 'butterfly'.

Behind the scenes
Wilwarin is comparable to the constellation Cassiopeia.