BT Suk 53a(41) :קפא תהומא ובעו למשטפיה לעלמא‏ : the abyss rose up and (the water) was about to flood the world
See the entire entry for qpy vb. to coagulate; to float

BT Suk 53a(41) :קפא תהומא ובעו למשטפיה לעלמא‏ : the (waters of ) the abyss rose to the surface and were about to inundate the world
See the entire entry for šṭp vb. to wash