English

etheromaniac

From ether + -o- + -maniac.

Formed from ether + -o- + -maniac

Anglo-Norman ether

Middle English ēther ‘the caelum aetherum of ancient cosmology in…’

English ether

Today it means

noun A person addicted to ether intoxication

Language periods are conventional ranges, not dates for this word.

Etymograph / etheromaniac