Following are a number of back-translations as well as a sample translation for translators of Isaiah 23:3:

• Kupsabiny: “Your people passed where there is much water.
  (They) came with food of/from Egypt
  that was planted at the bank of river Nile.
  You who became buyers
  and sellers of things from the whole world.” (Source: Kupsabiny Back Translation)
• Newari: “The grain of Shihor came in the large water,
  the harvest of the Nile River was the income of Tyre.
  and that country became a place for nations to do business.” (Source: Newari Back Translation)
• Hiligaynon: “on the seas to buy and sell the produce/harvests of Shihor which is under-the-jurisdiction of Nile River. And the nations are-doing-business with you (plur.).” (Source: Hiligaynon Back Translation)
• English: “They sailed across deep seas
  to buy grain in Egypt
  and other crops that are grown along the Nile River.
  Tyre became the city where people from all nations bought and sold goods.” (Source: Translation for Translators)