The name of Celeborn as it appeared in Lord of the Rings drafts from the 1940s (TI/246). As Christopher Tolkien points out (UT/266), the interpretation of Celeborn was probably “Silver-tree” when his father first invented the name.
Conceptual Development: The earliest names for this character were N. Galdaran and Galathir (TI/249).
A tree in Tol Eressëa (S/59), translated “Tree of Silver” (MR/155) or “Silver Tree” (UT/266). This name is a combination of celeb “silver” and orn “tree”.
Conceptual Development: The name N. Celeborn appeared in Silmarillion drafts from the 1930s with the translation “Tree of Silver” (LR/210).