ἀδωρότατος
From LSJ
Χρόνος δ' ἀμαυροῖ πάντα κεἰς λήθην ἄγει → Diesque celat omnia atque oblitterat → Die Zeit verdunkelt alles, gibt's dem Vergessen preis
Lexicon Thucydideum
incorruptissimus, most incorruptible, 2.65.8, [Bekk. Anecd. Bekker Anecdota 346 ἀδώρητος]