perdiuturnus
From LSJ
Latin > English (Lewis & Short)
per-dĭŭturnus: a, um, adj.,
I that lasts a very long time, very lingering or protracted (rare but class.), Cic. N. D. 2, 33, 85 (but Cic. Sest. 27, 58 Halm and B. and K. read diuturnum).
Latin > French (Gaffiot 2016)
perdĭŭturnus, a, um, qui dure très longtemps : Cic. Nat. 2, 85.
Latin > German (Georges)
per-diūturnus, a, um, sehr lange dauernd, sehr langwierig, Cic. de nat. deor. 2, 85 (aber Cic. Sest. 58 Halm u. Müller diuturnumque).
Latin > English
perdiuturnus perdiuturna, perdiuturnum ADJ :: lasting a very long time
