κεφάλιον
From LSJ
Ὑπὲρ εὐσεβείας καὶ λάλει καὶ μάνθανε → Ea fator atque disce, quae pietas probat → Dein Sprechen, Lernen diene nur der Frömmigkeit
English (LSJ)
τό, Dim. of κεφαλή, ἵππου κ., as an ornament, IG22.1466.13, cf. Dsc.4.148, Sor.1.119, al., Plu. 2.641b; κ. γλυκύ, of a person, Sammelb.5807.12.