hydraulicus
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη. Τὸ δὲ ἡττᾶσθαι αὐτὸν ὑφ' ἑαυτοῦ πάντων αἴσχιστόν τε ἅμα καὶ κάκιστον. → Τo conquer yourself is the first and best victory of all, while to be conquered by yourself is of all the most shameful as well as evil
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.