For a long time now I’ve had a mistrust of etymologies.
I like them, but they have a funny way of making you think/feel that you really know what you’re speaking of because you found a ‘root’.
In fact, they are even more merely inventions than the usual sort of history, since an etymology is a history of description rather than a history of an event.
On the other hand, the more of them you know, the more you feel that there aren’t actually that many words, when it comes down to it.
(Today on Sendung mit der Maus they made a field trip to Greece.)