ἱππαγρέται
From LSJ
Οὐδείς, ὃ νοεῖς μὲν, οἶδεν, ὃ δέ ποιεῖς, βλέπει → Quid cogites, scit nemo; quid facias, patet → nicht weiß man, was du denkst, doch sieht man, was du tust
English (LSJ)
ῶν, οἱ, (ἀγρέω) three officers at Lacedaemon,
A who chose 300, the flower of the ἔφηβοι, to serve as a body-guard for the kings (v. ἱππεύς 11.1), X.HG3.3.9, Lac.4.3, Archyt. ap. Stob.4.1.138: sg., Th.4.38 (unless it be pr. n.).