Where does “ефір” come from?

ефір (Ukrainian) comes from Ancient Greek Αἰθήρ, from Ancient Greek αἴθω, from Proto-Hellenic *áitʰō — to ignite.

ефір (Ukrainian): ether (organic chemistry: a compound containing an oxygen atom bonded to two hydrocarbon groups)

Definitions

  1. ether (organic chemistry: a compound containing an oxygen atom bonded to two hydrocarbon groups)

Ancestry of “ефір”, step by step

StepLanguageWordMeaning
1Ancient GreekΑἰθήρUpper Air
2Ancient GreekαἴθωTo ignite, kindle, light; To burn, blaze
3Proto-Hellenic*áitʰōto ignite
Every word from Proto-Hellenic *áitʰō →Every word from Ancient Greek αἴθω →Every word from Ancient Greek Αἰθήρ →