astronomus
From LSJ
ὕπνος δεινὸν ἀνθρώποις κακόν → sleep is a terrible evil for humans (Menander, Sententiae monostichoi 1.523)
Latin > English (Lewis & Short)
astrŏnŏmus: i, m., = ἀστρονόμος,
I an astronomer (for the earlier astrologus, q. v.), Firm. Math. 5, 13.