English
etherealize
From ethereal + -ize.
A compound of ethereal + -ize
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
verb To make ethereal.
Language periods are conventional ranges, not dates for this word.
Etymograph / etherealize