en_tn/psa/085/013.md

Righteousness will go before him and make a way for his footsteps

God doing what is right everywhere he goes is spoken of as if righteousness were a person who goes ahead of God and prepares a path for God to walk. (See: rc://en/ta/man/translate/figs-personification)

his footsteps

Here "footsteps" represents where God walks. (See: rc://en/ta/man/translate/figs-metonymy)