adsiduo
From LSJ
φιλοσοφώτερον καὶ σπουδαιότερον ποίησις ἱστορίας ἐστίν: ἡ μὲν γὰρ ποίησις μᾶλλον τὰ καθόλου, ἡ δ' ἱστορία τὰ καθ' ἕκαστον λέγει → poetry is something more scientific and serious than history, because poetry tends to give general truths while history gives particular facts
Latin > French (Gaffiot 2016)
(1) adsĭdŭō¹⁶ (ass-), adv., = adsidue : Pl. Cist. 185 ; Mil. 50, etc.; Plin. 26, 16 ; Apul. M. 9, 15.
(2) adsĭdŭō (ass-), ātum, āre, tr., employer assidûment : Vulg. Sir. 30, 1 ; Ps. Aug. Serm. 64, 12.