Idiom Insider The origins, properly sourced
idiominsider.com How we source & date Folk etymologies corrected Established 2026
The blog

Phrase histories, myth files & notes

Longer pieces on where phrases come from, how false origins spread, and how the record is actually read.

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Who invented “saved by the bell”? The safety-coffin myth vs the boxing record
The macabre story ties the phrase to bells rigged above Victorian graves. The dated record ties it to the boxing ring, and the dates are not…
Sep 7, 2026
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The rule of thumb story: tracing a myth to its source
The claim that "rule of thumb" recalls a wife-beating law is the most repeated false etymology in English. Followed link by link, its paper trail runs…
Sep 7, 2026
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Why We Publish “Origin Unknown”
The most honest phrase in our archive is also the least satisfying: origin unknown. Here is why we treat it as a finding rather than a…
Sep 7, 2026
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Wartime Slang That Outlived the War
War compresses language the way it compresses everything else, minting words fast and scattering them wide. Some of the twentieth century's most ordinary phrases were forged…
Sep 7, 2026
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The King James Bible’s Quiet Grip on Everyday Speech
The 1611 Bible shaped English idiom more than any other book, yet most of its famous phrases are older than 1611. Untangling that paradox means giving…
Sep 7, 2026
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By and Large: How Sailors Gave English So Much of Its Vocabulary
Centuries of seafaring left deep watermarks on everyday English, from 'by and large' to 'the bitter end'. But the sea also attracts more origin stories than…
Sep 7, 2026
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The Phrases Shakespeare Actually Coined — and the Ones He Only Popularised
Shakespeare gets credit for half the English language, but a good deal of it was already in circulation. Sorting the minting from the borrowing tells us…
Sep 7, 2026