SM 21(20):86.1(32) :שדא שגושיא באגמא‏ : (the angel) caused commotion in the marsh
See the entire entry for šḡušē, šḡušyā n.m. disturbance

SM 21(20):86.1(32) :לא יכיל למקרב לגביה, שדא שגושיא באגמא, סבר דלמא גברי דמלכא קא אתו,‏ : (the angel of death) was not able to get near him, so he caused a commotion in the marsh, and he thought that maybe the king's people are coming
See the entire entry for šdy vb. to throw (away or down)