bebizonyítottátok
"bebizonyítottátok" is a Hungarian verb form. It is the second-person plural past tense indicative form of the verb "bizonyítani", which means "to prove" or "to demonstrate". Therefore, "bebizonyítottátok" translates to "you (plural) proved" or "you (plural) demonstrated".
This specific verb conjugation indicates that an action of proving or demonstrating was completed in the past