Gamza

A red-wine grape widely grown in northern Bulgaria, and Hungary, where it is called Kadarka. Used to make an excellent full-bodied red suitable for aging.
Found on http://www.chowbaby.com/10_2000/glossary/glossary.html?synchpage=8&Z=550170

Gamza

Synonym (also Gamza de Varna, Gomza, Gumza, Gymza, Gmza) for the grape variety kadarka; look there.
Found on https://glossary.wein-plus.eu/gamza
No exact match found