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English word whetstone comes from Old English hwetestān
hwetestān (Old English)
whetesston (Middle English)
whetstone (English)
(computing) A benchmark for evaluating the power and performance of a computer.. (figurative) A stimulant.. A sharpening stone; a hard stone or piece of synthetically bonded hard minerals that has been formed with at least one flat surface, used to sharpen or hone an edged tool.