δαμαστέον
From LSJ
τότε λαλήσει πρὸς αὐτοὺς ἐν ὀργῇ αὐτοῦ καὶ ἐν τῷ θυμῷ αὐτοῦ ταράξει αὐτούς → then shall he speak to them in his anger, and trouble them in his fury
English (LSJ)
A one must break in, τριετῆ πῶλον Gp.16.1.11. II Adj. -τέος, α, ον, Hsch. s.v. δματέα.
Spanish (DGE)
hay que domar (πῶλον) γενόμενον δὲ τριετῆ Gp.16.1.11, cf. Hsch.s.u. δματέα.