Earlier name of S. Rammas Echor in Lord of the Rings drafts from the 1940s (WR/288), a combination of ram(m)as “✱great wall” and ephel “outer fence”, as suggested by Roman Rausch (EE/3.28).
Noldorin
ephel
noun. outer fence
ephel
noun. outer fence, encircling fence
ephel nimrais
place name. Ephel Nimrais
rammas ephel
place name. Rammas Ephel
thora-
verb. to fence
Earlier name for S. Ered Nimrais (WR/137), using ephel “outer fence” instead of ered “mountains”. It also appearing as (rejected singular) Ephel Nimras and possibly Hebel Nimrais (the last element is hard to read).