King James Version (KJV)
Thou didst walk through the sea with thine horses, {through} the heap of great waters. {heap: or, mud}
Modern English
You trampled the sea with your horses, churning mighty waters.
Hebrew
דָּרַ֥כְתָּ בַיָּ֖ם סוּסֶ֑יךָ חֹ֖מֶר מַ֥יִם רַבִּֽים׃
darakta bayam svseyka ḥomer mayim rabiym