그럼
geureom · TOPIK 1
then, well
그럼 = 그러면 squeezed short: if so -> then, well
그럼 is the contracted form of 그러면, built from 그러하다 (to be so) + -면 (if). Literally if that is so, which is why it means then or well at the start of a reply. Said alone, 그럼! also means of course.