I learned this from Roy Blount, Jr's, book, Alphabet Fruit. Reading the book is more like reading a narrative Oxford English Dictionary, where etymology is especially interesting and amusing. (If you listen to public radio, you may know Roy Blount, Jr. as the cowboy poet.)
I'm learning other good words, too. "Oology" means just what it looks like: the study of eggs. "Ugly" was an old Icelandic word meaning fear.
I also learned from the cowboy poet that google was named for the term "googol." A googol is a large number equal to (i.e., a 1 with 100 zeros following it). Written out explicitly,