χρησιμεύω
From LSJ
ἀμείνω δ' αἴσιμα πάντα (Odyssey VII.310 / XV.71) → all things are better in moderation
English (LSJ)
A to be useful or serviceable, τοῖς ἐπιλήπτοις Thphr. Fr.175, cf. Phld.Rh.1.221, al., Luc.DMort.10.9; τῇ πατρίδι IGRom. 4.1228 (Thyatira); πρός τι D.S.1.81, Dsc.2.149; εἴς τι Epicur.Fr. 458, Gal.19.396, Iamb. in Nic.p.12P.: abs., LXX Wi.4.3, Muson. Fr.18Ap.95 H., Alex.Aphr. in Top.430.2: sens.obsc., D.L.6.91:— rejected by the Atticists, cf. Phryn.367.