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ἀπεπιστήμων

From LSJ

Μούνη γὰρ ἄγειν οὐκέτι σωκῶ λύπης ἀντίρροπον ἄχθος → I have no longer strength to bear alone the burden of grief that weighs me down

Sophocles, Electra, 119-120

Spanish (DGE)

-ον, gen. -ονος
ignorante subst. τὸ ἀνεπιστῆμον = la ignorancia ἡ δὲ διὰ τοῦ ἀπεπιστήμονος κακοπραγία Chrysipp.Stoic.3.138.