núna adj. "western" (PE17:18), compare the element #nún- "west(ern)" in certain compounds, such as Núnatani and Nunduinë, q.v. (in the latter word, ú is apparently shortened as u before a consonant cluster). Compare númen.
Quenya
andúna
western
andúna
adjective. western
Elements
Word Gloss andúnë “sunset, evening, (orig.) going down; west” -a “adjectival suffix”
núna
western
núna
adjective. western
Element in
númenya
western
númenya adj. "western" (NDŪ)
andúna adj. "western" (PE17:18)