plano

ὕπνος δεινὸν ἀνθρώποις κακόν → sleep is a terrible evil for humans (Menander, Sententiae monostichoi 1.523)

Latin > English (Lewis & Short)

plāno: āre, v. a. id.,
I to level, make plain, flat, even, etc. (post-class.): planate vias, Coripp. Laud. Justin. 2, 223.