That’s Proto-Indo-European. I have an oral exam on Saturday on the subject of Indo European linguistics.
Click the image for a bigger version…

Then print it 100 times and wallpaper your room with it.
Found the image via wikipedia. Not sure where it’s from.
[...] Indo-European Language Tree Jump to Comments To supplement last week’s discussion on language evolution, I stumbled upon an Indo-Europeanlanguage tree posted on Jonathan Beaton’s blog. Neither Jonathan nor do not know where it was published, nor what data was used to construct the tree and its relationships. So it may not be completely accurate… but it is a nifty illustration. [...]
February 5, 2008 @ 6:51 pm