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αἴθριον

Μή, φίλα ψυχά, βίον ἀθάνατον σπεῦδε, τὰν δ' ἔμπρακτον ἄντλει μαχανάν -> Oh! my soul do not aspire to eternal life, but exhaust the limits of the possible
Pindar, Pythian, 3.61f.

Russian (Dvoretsky)

αἴθριον: τό (лат. atrium) атрий, передняя (в римск. доме) Luc.

Dutch (Woordenboekgrieks.nl)

αἴθριον -ου, τό zie αἴθριος.