'aetheric' originates from Greek, specifically the word 'aithēr,' where 'aithēr' meant 'upper air' or 'pure, fresh air.'

'aithēr' transformed into the Latin word 'aether,' and eventually became the modern English word 'aetheric' through Middle English.

Initially, it meant 'upper air' or 'pure air,' but over time it evolved into its current meaning of 'relating to the ether.'