So rule of thumb was likely a way to quickly verify the measurement before . The Phrase Finder also considers the possible origin that refers to the "legal" rule . Unlike Fenick, untold historians, feminists and legal experts are unaware that the folk etymology for "rule of thumb" is false. For them, the notion.
We read an email about the supposed etymology of the phrase "rule of As the myth goes, "rule of thumb" relates to a British law, allowing a. What is the origin of 'rule of thumb'? somebody desperately trying to make sense of a traditional phrase — what linguists call folk etymology.
Of uncertain origin. One theory notes that the inch originated as the distance between the base of the thumbnail and the first joint. The most commonly accepted explanation is that it comes from the practice of using a thumb as a crude measuring device. The average man's thumb is about 1 .