φυλακτικός
From LSJ
ἐν γὰρ χερσὶ τέλος πολέμου, ἐπέων δ' ἐνὶ βουλῇ → War finds its end in arms, words find their end in debate (Iliad 16.630)
English (LSJ)
ή, όν,
A preservative, opp. ληπτικός, προετικός, Arist.EN1120b15; ὑγιείας Id.Top.106b36, cf. Rh.1366a37; of persons, φ. τῶν ὄντων X.Mem.3.4.9; φ. ἐγκλημάτων cherishing the recollection of them, Arist.Rh.1381b4; τὸ φ. Phld.Oec.p.34J., Gal.10.638, Porph.Antr.16. Adv. -κῶς Arist.Top. 106b37. II (from Med.) cautious, opp. πιστευτικός, Id.Rh. 1372b28. Adv. -κῶς Plb.6.8.3, al.: Comp., -ώτερον χρῆσθαι ταῖς προνομαῖς Id.1.18.1, al.