perseverus
From LSJ
Latin > English (Lewis & Short)
per-sĕvērus: a, um, adj.,
I very strict: imperium, Tac. A. 15, 48.—Adv.: persĕ-vērē, very strictly: inquirere, Plin. Ep. 9, 5, 1.
Latin > French (Gaffiot 2016)
persĕvērus,¹⁶ a, um, très sévère : Tac. Ann. 15, 48.
Latin > German (Georges)
per-sevērus, a, um, sehr streng, imperium, Tac. ann. 15, 48 extr.
Latin > English
perseverus persevera, perseverum ADJ :: very strict