Ithil (“moon”) + tinu, tint (“spark, little star”)
Noldorin
ithildin
noun. *moon-star
celeb
noun. silver
celeb
noun. silver
celebren
adjective. like silver (in hue or worth)
celefn
adjective. of silver
celevon
adjective. of silver
The magic alloy from which the Moria-gate runes were made, a combination of S. Ithil “moon” and S. tîn “star” and hence “moon-star” (LotR/317; PE17/39, 66). In one place Tolkien considered the form ithildim (PE17/39). The term first appeared in Lord of the Rings drafts of the 1940s (TI/180).