무슨
museun · TOPIK 1
what (kind of)
무슨 = 무엇 (what) squeezed into a describer: what kind of + noun
무슨 comes from 무엇 (what) and always sits before a noun: 무슨 책 = what kind of book, 무슨 일 = what matter. Sound hook: museun is close to museum, where you keep asking what kind of thing is this?