Ἐπειοί
From LSJ
ὃν οὐ τύπτει λόγος οὐδὲ ῥάβδος → if words don't get through, neither a beating will | if the carrot doesn't work, the stick will not work either | whom words do not strike, neither does the rod
English (Autenrieth)
the Epeians, a tribe in North Elis, Il. 11.732, Il. 13.686, Il. 4.537.
English (Slater)
Ἐπειοί the ancient inhabitants of Elis. Ὀλύμπιος ἁγεμὼν θύγατρ' ἀπὸ γᾶς Ἐπειῶν Ὀπόεντος ἀναρπάσαις (O. 9.58) ξεναπάτας Ἐπειῶν βασιλεὺς Augeas (O. 10.35)
Russian (Dvoretsky)
Ἐπειοί: ῶν οἱ эпеи (народность в сев. Элиде) Hom.