Bronze is polished to make it shine and reflect light. Alternate translation: "His feet were very shiny like polished bronze" (See: [[rc://en/ta/man/jit/figs-simile]])
The bronze would be refined first and then polished. Alternate translation: "like bronze that has been purified in a hot furnace and polished" (See: [[rc://en/ta/man/jit/figs-events]])