Potassium carbonate (esp. when obtained from wood ashes)
Other Word Forms of Potash
Origin of Potash
Potash comes from the word potasch (in modern spelling potas), coined by the Dutch in 1598. The literal translation is pot ash, because it was made by burning wood to ashes in a large pot. The English word Potash dates back to 1648.
From sing. of obsolete pot ashes an alkaline substance obtained by leaching wood ashes and evaporating the leachate in a pot
From American Heritage Dictionary of the English Language, 5th Edition
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