English
ethereally
From ethereal + -ly.
A compound of ethereal + -ly
Proto-Indo-European *h₂eydʰ- ‘burn’
…
Ancient Greek αἴθω ‘to kindle’
Ancient Greek αἰθήρ ‘aether’
Ancient Greek αἰθέριος ‘of or pertaining to the upper air’
Latin aetherius ‘of or pertaining to the ether, the sky,…’
English ethereal
Today it means
adv In an ethereal manner
Language periods are conventional ranges, not dates for this word.
Etymograph / ethereally