2. “Animals gather food in autumn in preparation for the coming winter, and those with fur often grow thicker coats.”
http://www.britannica.com/science/autumn-season
3. “Fifteen hundred years ago, the Anglo-Saxons marked the passage of time with just one season: winter, a concept
considered equivalent to hardship or adversity that metaphorically represented the year in its entirety.”
http://www.livescience.com/34260-fall-autumn-season-names.html
4. “’Autumn,’ a Latin word, first appears in English in the late 14th century, and gradually gained on ‘harvest.’”
http://www.livescience.com/34260-fall-autumn-season-names.html
5. “In the 17th century, ‘fall’ came into use, almost certainly as a poetic complement to ‘spring,’ and it competed with the
other terms.”
http://www.livescience.com/34260-fall-autumn-season-names.html
6. “Finally, in the 18th century, ‘harvest’ had lost its seasonal meaning altogether, and ‘fall’ and ‘autumn’ emerged as the
two accepted names for the third season.”
http://www.livescience.com/34260-fall-autumn-season-names.html
7. “But by the 19th century, ‘fall’ had become an ‘Americanism’: a word primarily used in the United States and one that
was frowned upon by British lexicographers.”
http://www.livescience.com/34260-fall-autumn-season-names.html
8. “The persistence of two terms for the third season in the United States, while somewhat of a mystery, may have
something to do with the spread of English to the American continent at the very epoch when ‘fall’ began jockeying for
position with ‘autumn’: the 17th century.”
http://www.livescience.com/34260-fall-autumn-season-names.html
9. “The continued acceptance of ‘autumn’ in the United States may reflect the influence, or at least the proximity, of
English culture and literature.”
http://www.livescience.com/34260-fall-autumn-season-names.html