elucubro
From LSJ
Κακοῖς ὁμιλῶν καὐτὸς ἐκβήσῃ κακός → Facient malorum te malum commercia → Mit Schlechten Umgang pflegend wirst du selber schlecht
Latin > English (Lewis & Short)
ē-lūcubro: āvi, ātum, 1, v. a. (elucu-bror, deponent:
I epistolam, quam eram elucubratus, Cic. Att. 7, 19), to compose by lamplight, i. e. at night, with great labor, Cic. Brut. 90 fin.; Tac. Or. 9; Col. 10 praef. fin.
Latin > French (Gaffiot 2016)
ēlūcŭbrō,¹⁶ āvī, ātum, āre, tr., faire à force de veilles, travailler avec soin à : Cic. Br. 312 ; Tac. D. 9.