וַיָּ֣מָד אֶ֔לֶף וַיַּעֲבִרֵ֥נִי בַמַּ֖יִם מַ֣יִם בִּרְכָּ֑יִם וַיָּ֣מָד אֶ֔לֶף וַיַּעֲבִרֵ֖נִי מֵ֥י מָתְנָֽיִם׃
Again he measured a thousand, and caused me to pass through the waters, waters that were to the knees. Again he measured a thousand, and caused me to pass through waters that were to the loins.
Read halakhic rulings (Jewish law) on Ezekiel 47:4: and classical halakhic sources.