Had visited, i.e. taken cognizance of their cause and condition, and resolved to deliver them, they bowed their heads and worshipped; acknowledging and adoring the kindness and faithfulness of God thereto.
Related Commentaries of Exodus 4:31
Exodus 4:31
31 And the people believed: and when they heard that the LORD had visited the children of Israel, and that he had looked upon their affliction, then they bowed their heads and worshipped.