famulo
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.
fămŭlo: āre, v. a. id.,
I to use as a servant, to make serviceable (post-class.): elementa ipsa (Christus), Tert. Apol. 21.
fămŭlō, āvī, ātum, āre,
1 intr., c. famulor
2 tr., traiter en esclave, asservir : Tert. Apol. 21.