σύμφρουρος,ον,
A. watching with,μέλαθρον ξύμφρουρον ἐμοίthe chamberthat keeps watch withme, i.e.in which I lie sleepless, S. Ph. 1453 (anap.).
II. Thess.σύμφρουρος,ὁ ,joint -φρουρός, Ἀρχ. Ἐφ. 1911.124 (Gonni); alsoσύμπρουρος, IG 9(2).1058 (pl., Mopsium).