A. 그런데도 B. (formal written: 그럼에도 불구하고)
even so, despite that, and yet
Example
열이 많이 났어요. 그런데도 그는 회사에 갔어요.
He had a high fever. Even so, he went to work.
Word parts
그런데 'but, and' + -도 'even'.
Good to know
Stronger than 그래도: it stresses that the result goes against what you'd expect.
Related words