φυλακτικός

ή, όν, Adv.
A. preservative, opp. ληπτικός, προετικός, Arist. EN 1120b15; 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.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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