gobio
From LSJ
ἔνδον σκάπτε, ἔνδον ἡ πηγή τοῦ ἀγαθοῦ καί ἀεί ἀναβλύειν δυναμένη, ἐάν ἀεί 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)
gōbĭō,¹⁶ ōnis, m. (κωβιός), goujon [petit poisson] : Col. Rust. 8, 17, 14 ; Juv. 11, 37 ; Plin. 9, 175