hierographicus
From LSJ
ὕπνος δεινὸν ἀνθρώποις κακόν → sleep is a terrible evil for humans (Menander, Sententiae monostichoi 1.523)
Latin > English (Lewis & Short)
hĭĕrŏgrăphĭcus: a, um, adj., = ἱερογραφικός>, i. q. hieroglyphicus,
I hierographic: litterae, Amm. 22, 15, 30 dub. (al. hieroglyphicas).