Now, the word potash originally referred to that stuff which, chemically, is potassium carbonate, but potash has become a catchall term referring to lots of potassium-containing compounds.

这个词最初指的是这种物质，是碳，但“”为一个统称，指的是多种含合物。

Now, this also gets the name potash even though the name originally referred to ash in a pot, potassium carbonate.

现在，它也被称为肥 尽管这个名字最初是指锅里的灰烬，碳。