From the Zorro III specification,
The original "Zorro" name comes from the code name of one of the A1000 prototype boards. The "Zorro" board was the one that followed the
"Lorraine", and was the board in the works when much of the expansion specifications were worked up. Since everyone uses the "Zorro" name,
and no one’s suggested a better name, I stick with it throughout this document.
