ἔνεροι
From LSJ
μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
English (LSJ)
οἱ,
A those below, those beneath the earth, of the dead and the gods below, ἐνέροισιν ἀνάσσων Il.15.188, Hes.Th.850; ἄναξ ἐνέρων Il.20.61, etc.; βασιλεῦ ἐνέρων A.Pers.629 (anap.); ἐνέρων ἀρωγός, i.e. of the murdered Agamemnon, S.El.1391 (lyr.); οἱ ἔνεροι Pl.R. 387c, cf. Tab.Defix.99.9. (Perh. fr. ἔρα.)