aethera
aethera is a Latin form of aether, meaning “upper air, sky, heaven”. It is the accusative singular masculine noun.
Found 138 times in the Latin texts on Socratos.
Where it is used
Cicero, De Natura Deorum 1.36: … fficiat animantem intellegere non possumus; deum autem animantem certe volumus esse. atque hic idem alio loco aethera deum dicit: si intellegi potest nihil sentiens deus, qui numquam nobis occurrit neque in precibus neque in op …
Martial, Epigrammata 8.36.7: Aethera sic intrat, nitidis ut conditus astris
All forms of aether (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.