arithmetica
From LSJ
Νέος πεφυκὼς πολλὰ χρηστὰ μάνθανε → Dum floret aetas, disce, quod scitum decet → In jungem Alter lerne viel, was brauchbar ist
Latin > English (Lewis & Short)
ărithmētĭca: ae, and -ē, ēs, f., = ἀριθμητική (sc. τέχνη),
I arithmetic, the science of numbers: arithmetica, Sen. Ep. 88; arithmetice, Vitr. 1, 1, and Plin. 35, 10, 36, § 76.