aetherias
aetherias is a Latin form of aetherius, meaning “heavenly, of the upper air”. It is the accusative plural feminine adjective.
Found 28 times in the Latin texts on Socratos.
Where it is used
Vergil, Georgics 2.292: aetherias, tantum radice in Tartara tendit.
Martial, Epigrammata 1.3.11: Aetherias, lascive, cupis volitare per auras:
All forms of aetherius (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.