andú-, nú- "going down, setting (of sun), west" (PE17:18), element underlying words like the following, and also núna (q.v.)
Quenya
andú-
prefix. going down, setting (of sun), west
andú-
going down, setting (of sun), west
nú-
prefix. going down, setting (of sun), west
A prefix having to do with going down, setting (of sun) and the west (PE17/18) based on √NDU “descend”. See, for example, Hyarnustar “Southwestlands” (UT/165).
númë
going down, occident
númë noun "going down, occident" (Letters:361), "the West" (PE17:18), núme- "west" (VT45:38, LT1:263), "the West" In númeheruen and numeheruvi, q.v.
A prefix having to do with going down, setting (of sun) and the west (PE17/18) based on √NDU “descend”. See, for example, Andúril “Flame of the West” (LotR/277; PE17/34) or Andustar “Westlands” (UT/165).