Sindarin 

mithrellas

feminine name. Mithrellas

Elf-maiden wife of Imrazôr (UT/248, PM/222). The meaning of her name is unclear, but it might a combination of mithren “grey” and lass “leaf” (as suggested by David Salo, GS/355).

Elements

WordGloss
mithren“grey”
lass“leaf, leaf; [G.] petal”
Sindarin [PMI/Mithrellas; UTI/Mithrellas] Group: Eldamo. Published by