Where does “αιθήρ” come from?

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

αιθήρ (Greek): sky, air

Definitions

  1. sky, air

Ancestry of “αιθήρ”, 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 →