What is "gergeti"

Gergeti ( also known as Ortsveri) is a glacier located on the southeastern slope of Mt. Kazbek in the Kazbegi District of Georgia. The length of the Gergeti glacier is and its surface area is . The tongue of Gergeti descends to above sea level. Most of the glacier is located within an old and eroded volcanic caldera, where, at the edge of the caldera's northern rim, rises the cone of Mt. Kazbek. The southern rim of the caldera where the glacier descends, is bounded by Mount Ortsveri. There is a meteorological station located on the left edge of the Gergeti Glacier at an elevation of above sea level.