ὄχανον

τό
A. holder of a shield, i.e. a bar or band fastened crosswise on the under side of the shield, through which the bearer passed his arm, Anacr. 91, Hdt. 2.141, Aen.Tact. 29.12; invented by the Carians acc. to Hdt. 1.171.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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