Defenestratio is not a Latin word, you wouldn't describe the act like that as a Latin speaker. You'd say something involving the words "de fenestra", but definitely not as one word.
It was the Czech person who first combined the Czech/Latin prefix, the Latin stem and the Czech/Slavic suffix in a decidedly Czech sentence.
> Listing some examples would strengthen your argument immensely.
You said one yourself. Nobody would say it because there's already a better way to say that, but everybody would understand the meaning and the grammar is fine.
It was the Czech person who first combined the Czech/Latin prefix, the Latin stem and the Czech/Slavic suffix in a decidedly Czech sentence.
> Listing some examples would strengthen your argument immensely.
You said one yourself. Nobody would say it because there's already a better way to say that, but everybody would understand the meaning and the grammar is fine.