ὕπνος δεινὸν ἀνθρώποις κακόν → sleep is a terrible evil for humans (Menander, Sententiae monostichoi 1.523)
mŏnŏcŭlus: i, m. vox hybr. from μόνος and oculus,
I one-eyed, a one-eyed man (post-class.), Firm. Math. 8, 19; 8, 22; cf. Gloss. Lab. monoculus = μονόφθαλμος.