A wine vessel with cups is called a Stof (originally German word). In literal translation Stof means a “big jug”. Initially it was used as a liquid volume measure of 1.23 liters defining the volume of strong drinks.
Western glass blowers brought the craft of creating beautiful glass vessels to Russia, and the word Stof followed along. As production became more complex, Stofs became more luxurious: made with engravings, decor, paintings. But the shape and its essence stayed the same – a quadrangular vessel for strong drinks.