δυσθεώρητος
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 hard to observe, Arist.HA511b13; scarcely visible, τρύπημα Hero Spir.1.31, cf. Philum.Ven.15.6. II hard to understand or reduce to theory, τέχνη Ph.Bel.49.19, cf. Plb.3.31.7, Phld.Rh.1.141 S., Ph.2.84.
German (Pape)
[Seite 681] schwer zu untersuchen, zu betrachten; Arist. H. A. 3, 2; Pol. 17, 13 u. sonst; Plut. S. N. V. 4.
