A name for the moon in linguistic notes from 1930s (PE21/38, 41), perhaps a derivative of the root ᴹ√NDŪ “go down”, though this root usually applied to the Sun. Its dual form Nunt referred to both the sun and moon (PE21/38).
Qenya
rana
noun. Moon, (lit.) Wayward
rana núresse orta silia; en e·orta silia!
The Moon at night rises shining; there it rises shining!
rana oronte silalya
The moon rose shining
rana ortalyane silalya
The moon was rising, shining (as it rose)
silia rana
shining Moon
réna
noun. edge, border, margin
nú
proper name. Moon
A noun appearing as {rāna >> rāne >>} réna in The Etymologies of the 1930s under the root {ᴹ√RAG >>} ᴹ√REG “edge, border, margin” (Ety/REG; EtyAC/REG). Presumably its meaning is similar to that of the root.