Did you know that cats are related etymologically to caterpillars? Or that Thomas Edison played a key role in popularizing the use of the greeting “Hello”? Or that muscles were originally mice, since a flexed biceps looks like a little rodent scurrying under the skin? Word Histories and Mysteries provides a panoramic view of the unique richness of English, uncovering the origins of ve hundred everyday words whose surprising and often amusing stories offer insights into the history of humankind. Arranged in convenient alphabetical order, the notes are written in a lively and entertaining style perfect for browsing. The reader can learn how some of the most recent words, such as the computer term wiki, were coined, or trace the origins of English back to the Indo-European language spoken long before the invention of writing.