אֲפֵלָה

From LSJ

τῶν δ᾽ ὀρθουμένων σῴζει τὰ πολλὰ σώμαθ᾽ ἡ πειθαρχία → But of those who make it through, following orders is what saves most of their lives (Sophocles, Antigone 675f.)

Source

English (Strong)

feminine of אָפֵל; duskiness, figuratively, misfortune; concrete, concealment: dark, darkness, gloominess, X thick.