empyrean

Meanings

1. The highest heaven, supposed by the ancients to be a region of pure light and fire or else composed of ether, and sometimes seen as the dwelling-place of God or other divine beings; the highest celestial sphere according to ancient and medieval astronomy.

1. Of the sky or the heavens, and particularly relating to the highest celestial sphere in premodern cosmology; celestially refined.

Etymology

From Latin empȳreus, from Ancient Greek ἐμπύριος (empúrios), from ἐν (en, “in”) + πῦρ (pûr, “fire”) (whence English pyre).