This section is from "The Encyclopaedia Britannica". Also available from Amazon: Great Books of the Western World (60 Volumes).
Avenue (the past participle feminine of Fr. avenir, to come to), a way of approach; more particularly, the chief entrance-road to a country house, with rows of trees on each side; the trees themselves are said to form the avenue. In modern times the word has been much used as a name for streets in towns, whether with or without trees, such as Fifth Avenue in New York, or Shaftesbury Avenue in London.
 
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