이거
igeo · TOPIK 1
this (thing), this one
이거 = 이 (this) + 거 (thing, short for 것)
이 means this and 거 is the casual spoken form of 것, thing. Swap the first syllable to get the set: 그거 is that one near you, 저거 is that one over there. The formal written form is 이것.