BT Ḥul 7b(22) :קא מפשת היזיקא‏ : you are increasing the damage
See the entire entry for hyzq n.m. damage

BT Ḥul 7b(22) : קא מפשת היזיקא, מעקרנא להו‏ : you are increasing the damage! (In that case) I will hamstring them (the mules)
See the entire entry for ˁqr vb. to pull out by the roots