Etymology of the Day: Litmus

Litmus, as in litmus test, is just one of those words that looks like it’s from Latin. For one, it ends in -us, a signature case ending in the language. For another, many of us first encounter the word in chemistry class, and science, we know, brims with Latin derivatives. So, why don’t we put the word litmus to the etymological litmus test?

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Litmus is about lichen, not Latin. (Pixabay)

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