Queen of the Elves in Tol Eressea (LT1/16), her name is a combination of meril “flower”, i “the”, and turinqi “queen”, as suggested by Christopher Tolkien (LT1A/Meril-i-Turinqi).
Early Quenya
meril
noun. flower
meril-i-turinqi
feminine name. Queen of Flowers
losille
noun. rose
A word for a “flower(s)” in the name ᴱQ. Meril-i-Turinqi “Queen of Flowers” (LT1/16; GL/46).
Conceptual Development: In Tolkien’s later writing, S./N. {Beril >>} Meril was used for the name “Rose”.