κλᾳκοφόρος

A. bearer of the key (cf. κλᾴξ), name of hero worshipped at Epidaurus, IG 42(1).297; also, title of priest at Messene, ib.5(1).1447 (iii/ii B.C.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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