Tea if by sea, cha if by land: Why the world only has two words for tea
There's a more comprehensive version of this story at linguist Dan Jurafsky's web site (it can also be found in the book by Jurafsky mentioned by aniket_ray):
<a href="http://languageoffood.blogspot.com/2014/08/tea-if-by-sea.html" rel="nofollow">http://languageoffood.blogspot.com/2014/08/tea-if-by-sea.htm...</a>