Stephanos of Byzantium - Ethnika
Kaphereus: a harbour in Euboia, which used to be called 'Kathereus', because the Euboians used to destroy those sailing there. The ethnonym has the same form. The feminine is 'Kaphiris', and the possessive adjective 'Kaphirios'.
Stephanos excerpt (left) is aligned with matched Herodian passages (right). Colors indicate corresponding overlap spans.
Καφηρεύς, ἐπίνειον Εὐβοίας, ὅς τις Καθηρεύς ἐκαλεῖτο, ὅτι τοὺς πλέοντας ἐκεῖ καθῄρουν οἱ Εὐβοεῖς. τὸ ἐθνικὸν ὁμοφώνως. καὶ τὸ θηλυκὸν Καφηρίς, καὶ κτητικὸν Καφήριος.
…τιακῶν πρώτῃ. Ἐταιεῖς διὰ διφθόγγου ὡς Διπαιεῖς. ἔστι δὲ πόλις Λακωνική. Ἰμφεῖς ἔθνος προσεχὲς τοῖς Περραιβοῖς. Ἑκαταῖος Εὐρώπῃ »Ἰμφέες, Περραιβοί«. Ἰουλεῖς οἱ Ῥωμαῖοι ἀπὸ βασιλέως, ἀφ´ οὗ καὶ ὁ μήν, ἢ ἀπὸ Ἰουλίδος. Καφαρεύς ἐπίνειον Εὐβοίας, ὅστις Καθηρεύς ἐκαλεῖτο, ὅτι τοὺς πλέοντας ἐκεῖ καθῄρουν οἱ Εὐβοιεῖς. Λητωεύς δῆμος ἐν Ἀλεξανδρείᾳ, ὡς Τρύφων ἐν τῷ περὶ παρωνύμων, ὅτι παρὰ τὸ Λητῷος κτητικὸν σχηματίζεται. Μαλιεύς πόλις ἐπώνυμος τῶν Μαλιέων ἀπὸ Μάλου τοῦ Ἀμφικτύονος υἱοῦ ἢ Ἀμύρου τοῦ Βοιωτοῦ. Μωριεῖς ἔθνος Ἰνδικὸν …