The word for sin in Sumerian is nam-tag, corresponding to the Akkadian arnu, the etymology of which is obscure. The Sumerian word is attested with certainty already in the archaic royal inscriptions of the city of Lagaš (around 2500 B.C.E.), especially in an inscription of the king Erikagina: “There is no sin on the part of Erikagina, the king of Ĝirsu. May Nisaba, the (personal) goddess of Lugalzagesi, the governor of Umma, do put all the sins on his (= Lugalzagesi’s) shoulders.” In this excerpt,
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