In German the prefix "schwarz-" is often used to depict something illegal like: Schwarzfahrer Schwarzarbeit Schwarzgeld Is there any specific origin for using black in this context?
There is not really an english counterpart to the often used german prefix "ver-", IMO. It has many functions (verbification) & meanings (e.g. verstärken vs. verschollen). Often it doesn't seem to ...
In English usage the prefix "über" (loaned from German) has the meaning of: über-, uber-: denoting an outstanding or supreme example of a particular kind of person or thing. Oxford Dictionaries ...