Reminds me of an author who was given a brand-new Oxford English Dictionary (a 20-volume English dictionary with etymologies) by one of his fans. His wife was proof-reading a new manuscript when she came across a word that she was sure wasn't real English. He said "Oh, I'm sure it's in the dictionary!" so she went to look. A few minutes later she comes in, throws the volume at him, and storms out. Confused, he flips to the word in the volume and finds the etymology is... his earlier book!