ἱπποκάμπιον
From LSJ
Ἀμήχανον δὲ παντὸς ἀνδρὸς ἐκμαθεῖν ψυχήν τε καὶ φρόνημα καὶ γνώμην πρὶν ἂν ἀρχαῖς τε καὶ νόμοισιν ἐντριβὴς φανῇ → It is impossible to know the spirit, thought, and mind of any man before he be versed in sovereignty and the laws
English (LSJ)
τό, Dim. of ἱππόκαμπος, Epich.115. II a kind of ear-ring, Poll.5.97.
Greek (Liddell-Scott)
ἱπποκάμπιον: τό, ὑποκορ. τοῦ ἱππόκαμπος, Ἐπίχ. 16 Ahr. ΙΙ. εἶδος ἐνωτίων, Κωμ. παρὰ Πολυδ. Ε΄, 97.