As long as we’re doing words from the Merriam-Webster folks, this is another very interesting one to sit through, even if the Classical connection is a bit remote:
Classical Word: Defenestration
quidquid bene dictum est ab ullo, meum est
rogueclassicism 
Typo in title: defren…
FYI: you’ve got a typo in your headline. It’s “Defenestration”. Cheers.
Dude, you got an extra “r” up in there!
Fixed! Thanks folks …