그러나
geureona · TOPIK 1
however, but
그러나 = 그러(하)- (be so) + -나 (but): it is so, but...
Built from 그러하다 (to be like that) plus the contrast ending -나 (but, though). Literally: that is so, but. Same 그러- family as 그리고 (and), 그래서 (so), 그러면 (then). 그러나 is the formal, written however.