Unique among etymology books, English Through the Ages places words on the long and dynamic timeline of English word creation, chronicling words according to when it can be confirmed they were in use. Words are organized into time groupings from "In Use by 1150" to "In Use by 1990." Entry-words list changes in meaning and when related words (such as the noun use of a verb) came into being. Timelines are grouped into categories of words, including "Geography/Places, " "The Body, " "Everyday Life, " "Insults" and "Slang" so you can browse for related words. And, all entrywords are cross-referenced in a comprehensive index.