topon. 'Black fence'. >> mor
Sindarin
Morgai
noun. black fence
Morgai
place name. 'Black fence'
morgai
place name. Black Fence
A ridge of mountains inside Mordor (LotR/899) translated “Black Fence” (RC/601, PE17/101), a combination of morn “black” and the lenited form of cai “hedge” (PE17/101, UT/282).
Conceptual Development: The name was N. Morgai when it first appeared in Lord of the Rings drafts from the 1940s (WR/438, SD/26).
Elements
Word Gloss morn “black, dark; night” cai “hedge”
morn (“dark, black”) + cai (= cail “fence”)