The phrase 'rule of thumb' is derived from and old English law which stated that you couldn't beat your wife with anything wider than your thumb.
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'Vodka' is Russian for 'little water'.
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The equivalents of the English saying "That's Greek to me" are "This appears to be Spanish" (German), "This is Chinese to me" (Dutch), "It's German to me" (Philippines), "It's Hebrew" (Finnish), "It's Chinese to me" (Hebrew), "Sounds like Mars language/These are chicken intestines" (China).
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The dab of toothpaste you squeeze onto your toothbrush is called a "nurdle".
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The word 'gymnasium' comes from the Greek word gymnazein which means 'to exercise naked.'"
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"Goodbye" came from "God bye" which came from "God be with you."
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The P.S. at the end of a letter stands for Post Script.
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'⸮' is a punctuation mark that was first proposed in the 1580s to denote sarcasm or irony.
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