> Saying that proper university did not exist before 11th century is disingenuous at its best and propaganda at its worst.

I'd say that Plato's Academy is a good candidate:

https://en.wikipedia.org/wiki/Platonic_Academy

Claiming, as you do, that everything was Muslim/Arab is clearly "disingenuous at its best and propaganda at its worst".

(Others have already disproven your etymological claims.)