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βασιλεύτερος

Ὁ δ' ἀνεξέταστος βίος οὐ βιωτὸς ἀνθρώπῳ -> The unexamined life is not worth living
Plato, Apology of Socrates 38a

Dutch (Woordenboekgrieks.nl)

βασιλεύτερος comp., zie βασιλεύς.