Definition of ethereous in English:

ethereous

adjective

rare
  • Ethereal.

Origin

Mid 17th century; earliest use found in John Milton (1608–1674), poet and polemicist. From classical Latin aethereus, aetherius + -ous; compare -eous and -ious.

Pronunciation

ethereous

/ɪˈθɪərɪəs/