repandirostrus
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.
rĕpandĭ-rostrus: a, um, adj. repandus-rostrum,
I with a turned-up snout: pecus Nerei, the dolphins or sea-calves, Pac. ap. Quint. 1, 5, 67.