Why would you so confidently try to call somone out without even bothering to look it up?

The root of the word mascot isn’t mask, mascot is borrowed from french mascotte.

And you linking to a Wiktionary article of a different word doesn’t prove any point you’re trying to make.

https://en.m.wiktionary.org/wiki/mascot https://www.etymonline.com/word/mascot

Feel free to reapond with any source claiming differently