A longer variant of núna “western” (PE17/18), an adjectival form of andúnë “west”.
Quenya
andúna
western
andúna
adjective. western
núna
western
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.
núna
adjective. western
númenya
western
númenya adj. "western" (NDŪ)
andúna adj. "western" (PE17:18)