ἔμφρουρος
From LSJ
English (LSJ)
ον,
A on guard at a post, X.HG1.6.13. 2 liable to military duly (cf. φρουρά), opp. ἄφρουρος, Id.Lac.5.7. II Pass., held by garrisons, πόλεις ἐμφρούρους ποιεῖ Decr. ap. D.18.182, cf. Plb.2.41.10, etc. III shut up in, τῷ ταύρῳ Phalar.Ep.147.3; οἷον ἔ. kept as it were in prison, Longin.44.4, cf. Jul.ad Ath.272d.