en_tn/eph/03/10.md

there will be made known to the rulers and authorities in the heavenly places through the Church the complex wisdom of God

AT: "God will make his complex wisdom known to the rulers and authorities in the heavenly places through the Church" (See: rc://en/ta/man/translate/figs-activepassive)

rulers and authorities

These words share similar meanings. Paul uses them together to emphasize that every spiritual being will know God's wisdom. (See: rc://en/ta/man/translate/figs-doublet)

according to the eternal plan

AT: "in keeping with the eternal plan" or "consistent with the eternal plan"

that he intended

AT: "that he accomplished" or "that he fulfilled completely"