Zigzag is a peculiar word that's been used in some European languages for a few hundred years.  But the characteristic pattern has probably been around as a decorative element for a lot longer.  It's delightful to see it in wire jewelry.  This lovely zigzag earrings tutorial is a gem by Albina Manning.

You can also make less angular and rounder curves with a bail forming pliers as a variation. Good late beginner to intermediate project.

Before You Go: