ἀπρόσκεπτος
From LSJ
Ὁ αὐτὸς ἔφησε τὸν μὲν ὕπνον ὀλιγοχρόνιον θάνατον, τὸν δὲ θάνατον πολυχρόνιον ὕπνον → Plato said that sleep was a short-lived death but death was a long-lived sleep
English (LSJ)
ον,
A unforeseen, not thought of, X.Lac.13.7. II Act., improvident, D.51.15. Adv. -τως Antiph.195.