[pashky]

Linguistic sources say that svet/svit/light/sunrise/world and videt/see/meet have completely different proto-indo-european roots - kweyt and weyd respectively.

So nice theory, but no. “Svid” is not a root here, it’s “s”+”vid”.

[josefrichter]

interesting, didn't know that! can you point me to those resources to learn more, please? fascinating topic for me.