eu > en 
1 da/du ad. to advance, to go forward, to move forward; to bring/put forward
2 da/du ad. to bring forward; to be fast; to put forward
3 zaio ad. [aurrea hartu] to get ahead of, to outstrip, to take the lead
4 du ad. to overtake
5 du ad. (zer osagarririk gabe) [hobetu] to progress, to advance; to improve
6 du ad. [aurreztu] to save