φυλακτέος
From LSJ
English (LSJ)
α, ον,
A to be observed, πρόνοια τοῦ θεοῦ S.OC1180; (from Med.) to be guarded against, E.Andr.63. II φυλακτέον, one must observe, obey, ἀνάγκην Id.IT620; one must preserve, τὰ πρεσβεῖα Aristid.1.99J. 2 (from Med.) one must guard against, τι A.Th.499; ἡδονήν Arist.EN1109b7; φ. μή . . Pl.R.416a; ὅπως μή . . X.Oec.7.36, cf. Isoc.6.94: c. inf., τοῦτο πράττειν Porph.Abst. 2.31.