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τὸ δανείζεσθαι τῆς ἐσχάτης ἀφροσύνης καὶ μαλακίας ἐστίν → being in debt is a mark of extreme folly and moral weakness (Plutarch, On Avoiding Debt 829F3)
κυδοιμέω, ἐκφοβέω, δειματόω, πτοέω, πτοιέω, δειμαίνω