Sindarin 

meneldor

masculine name. *Lord of the Heavens

One of the great eagles (LotR/950), his name appears to be a combination of menel “the heavens” and -dor “lord” (RC/625).

Conceptual Development: His name was already N. Meneldor when it first appeared in Lord of the Rings drafts from the 1940s (SD/45).

Elements

WordGloss
menel“the heavens, firmament, region of the stars”
-dor“*king, lord”
Sindarin [LotRI/Meneldor] Group: Eldamo. Published by