The knees - The mission of Paul and Barnabas Acts 13:1-4 is another marked epoch in the Church’s history; and the time of Paul’s martyrdom denotes an increase in the Gentile Church, which corresponds with the waters reaching the loins.
Related Commentaries of Ezekiel 47:4
Ezekiel 47:4
4 Again he measured a thousand, and brought me through the waters; the waters were to the knees. Again he measured a thousand, and brought me through; the waters were to the loins.