The English word ‘eventually’ should not be confused with the German word ‘eventuell’.
In English if we say something will happen eventually, we mean that it is certain to happen at some point in the future but that time in the future could be a long time away.
It does not express uncertainty or doubt. In English if something will happen eventually, it is sure to happen.
E.g. It will take some time but eventually we will find a solution to this problem. ( = A solution will be found. There is no doubt.)
E.g. He eventually figured out how to work the machine. ( = It took some time but he worked it out in the end.)
E.g. We viewed over 20 prospective locations for our new office and eventually we found the perfect place by the river. ( = It was a long process but at the end of it all we found what we wanted.)
Have fun learning English!
Louise