And the second day they compassed the city once, and returned into the camp: so they did six days.

So on the second day they marched around the city once and returned to the camp. They did this for six days.

And they compass the city on the second day once, and turn back to the camp; thus they have done six days.

And on the second day they went round the city once, and returned into the camp. So they did six days.