πρατήρ

ῆρος, ὁ
A. seller, Pl. Lg. 915d, Is. 10.24 (prob.), D. 37.5, 16, IG 12(5).872.15, al. (Tenos, iii B. C.), etc.
II. π. λίθος the stone on which slaves were sold, Poll. 3.78.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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