"third" is the ordinal number for three. It can be stated without the ordinal number. AT: "After two days" (See: [[rc://en/ta/man/translate/translate-ordinal]])
# when they were still in pain
"when the men of the city were still in pain"
# each took his sword
"took their swords"
# they attacked the city
Here "city" stands for the people. AT: "they attacked the people of the city" (See: [[rc://en/ta/man/translate/figs-metonymy]])