BT BB 54a(12) :האי מאן דתקיל תיקלא‏ : one who removes an obstacle (to even the level of the field)
See the entire entry for tql#2 vb. to stumble

BT BB 54a(12) :מאן דתקיל תיקל‏ : one who removes an obstacle
See the entire entry for tqel, ta/iqlā n.m. stumbling block, obstacle