Where does “αἴθρα” come from?

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

αἴθρα (Ancient Greek): clear sky

Definitions

  1. clear sky

Ancestry of “αἴθρα”, 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 →