Why is a ring called "ring" (or Zahlring in German)? There seems to (naive) me nothing more ring-like to a ring than there is to a group or a field. I am particularly interested to learn why the word "ring" seemed appropriate to the founders. Thanks for educating me!
Post Reopened by Andrés E. Caicedo, Joel David Hamkins, Tom LaGatta, Andy Putman, François G. Dorais
Post Closed as "off topic" by Felipe Voloch, Yemon Choi, Chandan Singh Dalawat, Benjamin Steinberg, user6976