clandestino
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
Latin > English (Lewis & Short)
clandestīnō: adv., v. clandestinus.
Latin > French (Gaffiot 2016)
clandestīnō¹⁶ (clandestinus), clandestinement : Pl. Mil. 956.