Name of the “Doors of Night” leading beyond the world in Silmarillion drafts from the 1930s (SM/237, 241), also appearing as a rejected name in The Etymologies as combination of ando “door” and the genitive of lóme “night” (EtyAC/LOƷ).
Qenya
ando
adverb. long
ando
noun. gate, door
andolat
place name. Andolat
ando lómen
proper name. Door of Night
andon
noun. great gate, great gate, [ᴱQ.] door, gate
A noun for a “great gate” in The Etymologies of the 1930s, an augmentative form of ᴹQ. ando “gate” under the root ᴹ√AD “entrance, gate” (Ety/AD).
Conceptual Development: The word ᴱQ. andon first appeared in the Early Noldorin Dictionary of the 1920s as a cognate of ᴱN. ann “door” (PE13/137, 160). It was also an element in the name ᴱQ. Andonavestan “Gates of Summer” (PE13/143, 160). This earlier iteration was not augmentative as it was in the 1930s.
anda
adjective. long
andóre
place name. Land of Gift
andul
noun. long pole
A word appearing in the Declension of Nouns (DN) glossed “long pole” (PE21/33), perhaps related to anda “long”.
andólama
noun. long consonant
Name of a hill appearing in The Etymologies from the 1930s (Ety/NDOL). It is derived from the root ᴹ√NDOL, but its meaning is unclear.