一切經音義 12.319

12.319

殑伽沙（梵語西國河名也此河上源出無熱惱池其砂微細猶如微塵不可知數故引為喻）。

Sands of the Gaṅgā (殑伽沙; Sanskrit, the name of a river in the Western Regions. The upper source of this river issues from Lake Anavatapta; its sand is so fine that it is like fine dust, uncountable in number, and is therefore cited as a metaphor).