וָאֶשְׁבֹּ֣ר עָלָ֣יו חֻקִּ֑י וָֽ֝אָשִׂ֗ים בְּרִ֣יחַ וּדְלָתָֽיִם׃
계한을 정하여 문과 빗장을 베풀고
Rashi
and broke I made breaks in it [the sea] all around to keep it back within them, and they are its boundary, which it shall not pass, as in (Joshua 7:5), “and they pursued them until the quarries (השברים)” which are the ditches around the city.