posted on January 13th, 2010, 5:35 pm
I did some research about that quiet interesting topic (such things are a hobby of mine

)
Apparently the words 'über-' and 'Überweisung' aren't related to each other in any way (well exept there are german)
As RedEyedRaven allready stated 'Überweisung' means something like
"to direct something/someone, to show someone a way"
.
For example in germany you can get a 'Überweisung' by a common doctor. It is some kind of certificate that verifys your medical check by the common doctor and his recommendation of visiting a more specialised doctor.
Basicly the common doctor sends you to a better one

In commercial context it simply refers also to some kind of certificate that authorise your banking institution to send money from your account to another one.
'Überweisung' can't be split for translation purpose it's a proper noun. So cash transfer IS literally the correct translation.
Now the small 'über/uber'
As you guys allready suspected 'uber' is inspired by the german prefix 'über'.
I supose it was introduced during world war 2 when allied soldiers were confronted with the Nazi's visions of the 'Übermensch'(literally 'Overhuman'), a kind of human that would be better than the usual ones (for those of you who watched Andromeda, the Nietzschean are such 'Übermenschen'.
(It reappeared in some way as Übersoldat/Ubersoldier in some FPS like Return to castle Wolfenstein)
Since WW2 'uber' was used as exaggeration most times in a negative way.
Apparently the neagtive meaning has vanished in the past years.
Hopefully it was a understandable explanation and helpfull/intersting
