hydraulicus
From LSJ
ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → life is not worth living if you do not have at least one friend
Latin > English (Lewis & Short)
hydraulĭcus: a, um, adj., = ὑδραυλικός,
I of or belonging to the water-organ, hydraulic: machinae, water-organs, Vitr. 9, 9; 10, 13; called also organa, Plin. 7, 37, 38, § 125; Suet. Ner. 41.
Latin > French (Gaffiot 2016)
hўdraulĭcus, a, um (ὑδραυλικός), hydraulique, mû par l’eau : Vitr. Arch. 9, 9, 46 ; Suet. Nero 41.