ἐμφρουρεῖν
From LSJ
Σαυτὸν φύλαττε τοῖς τροποῖς ἐλεύθερον → Te liberum ipse moribus praesta tuis → Bewahre deine Freiheit dir durch deine Art
Greek > English (Woodhouse Verbs Reversed)
(see also: ἐμφρουρῶ, ἐμφρουρέω) be on guard
Lexicon Thucydideum
custodias agere in loco, to keep watch at a place, 4.110.1, 8.60.1.