proper noun/o.vɛʁɲ/
Auvergne (a former administrative region and historical province of France, since 2016 part of the region of Auvergne-Rhône-Alpes)
From Occitan Auvèrnhe or Auvèrnha, itself a calque of Latin Arvernicus pagus, from the Arverni, the name of a Gaulish tribe.