sollemne
From LSJ
ἔνδον σκάπτε, ἔνδον ἡ πηγὴ τοῦ ἀγαθοῦ καὶ ἀεὶ ἀναβλύειν δυναμένη, ἐὰν ἀεὶ σκάπτῃς → Dig within. Within is the wellspring of Good; and it is always ready to bubble up, if you just dig | Look within. Within is the fountain of the good, and it will ever bubble up, if thou wilt ever dig.
Latin > French (Gaffiot 2016)
sollemne,¹¹ is, n. de sollemnis,
1 solennité, fête (cérémonie) solennelle : sollemne clavi figendi Liv. 7, 3, 8, la solennité de l’enfoncement du clou, cf. Liv. 1, 5, 2 ; 1, 9, 13 ; 9, 34, 18, etc.; Tac. Ann. 12, 69 || pl. sollemnia Liv. 9, 29, 9 ; Suet. Nero 34 ; Tac. Ann. 11, 26
2 habitude, usage : Cic. Att. 7, 6, 1 ; Plin. 28, 135 || pl., Liv. 2, 14, 1 ; Tac. Ann. 3, 6 ; insanire sollemnia Hor. Ep. 1, 1, 101, avoir une folie ordinaire || v. sollemnis.