adsiduo
From LSJ
οὕτως εἴη ἡμίν ὁ Θεός βοηθός καὶ τὸ ἱερὸν Αὐτοῦ Εὐαγγέλιον ὧδε ἐμφανισθέντα-ὁρκισθέντα → so help us God and Ηis holy Gospel the things here declared and sworn
Latin > English
adsiduo ADV :: continually, constantly, regularly
adsiduo adsiduo adsiduare, adsiduavi, adsiduatus V TRANS :: apply constantly; make constant use of (Souter); use regularly/incessantly
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.