φυλακτήριον
Alt. φυ^λακτήριον, ου, τό,
Etym. φυλάσσω
1. "a guarded post, a fort or castle", Hdt.: "an outpost", Lat. statio, Thuc., Xen.
2. "a safe-guard, preservative", Dem.; among the Jews φυλακτήρια were strips of parchment with texts from the Law written on them, used as "amulets", NTest.