>Yup, I'm just new! ... and just 17 too.
Welcome, Philippe!
Piotr's comments shouldn't put you off, but they should guide you. There is
a lot that we do know about the reconstruction of languages, and of
Proto-Indo-European in particular. We have no objection to people
suggesting ideas here, but you're liable to get the response: "Where's the
evidence?"
Have you also joined the Nostatic list?
Peter