καθήγησις

εως, ἡ
A. rule, principle, αἱ τοῦ τακτικοῦ κ. Ascl. Tact. 12.11, cf. Ael. Tact. 42.2; also f.l. in Antig. Mir. 171.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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