Zwirngasse
Belgardsche Gasse
History
Originally, the later Tagnetergasse was called Zwirngasse. It was only after 1415 that this name was transferred to what had previously been Belgardsche Gasse. The name was derived from the thread makers or traders who lived there.
Source(s): Stephan, W. Danzig. Gründung und Straßennamen. Marburg 1954, S 139f