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αἴθρα

Ἦθος ἀνθρώπῳ δαίμων -> A man's character is his fate
Heraclitus, fr. B 119 Diels

French (Bailly abrégé)

ας (ἡ) :
ciel pur, temps clair et serein.
Étymologie: αἴθω.

Dutch (Woordenboekgrieks.nl)

αἴθρα -ας, ἡ αἰθήρ heldere hemel.