Here "word" stands for a message or statement. AT: "after Paul had said one more thing" or "after Paul had made this statement" (See: [[rc://en/ta/man/translate/figs-metonymy]])
# The Holy Spirit spoke well through Isaiah the prophet to your fathers. He said, 'Go to this people and say, "By hearing you will hear, but not understand; and seeing you will see, but will not perceive
This has quotations within quotations. You can translate one of the inner quotations as an indirect quotation, or you can translate two of the inner quotations as indirect quotations. AT: "The Holy Spirit spoke well through Isaiah the prophet to your forefathers when the Spirit told Isaiah to tell them that they will hear but will not understand; and they will see but they will not perceive" (See: [[rc://en/ta/man/translate/figs-quotesinquotes]])