Schalter

Etymology
From.

Noun

 * 1) switch device to turn electric current on and off or direct its flow
 * 2) information window, ticket window, box office staffed cabin
 * 3)  a counter in a train station, bank, state office, or similar place where a cabin as above would normally be found (even if it happens not to be one)
 * 1)  a counter in a train station, bank, state office, or similar place where a cabin as above would normally be found (even if it happens not to be one)