“Indoor plumbing comes along and there is already a room with a bath, the bathroom, so where do you put the toilet? Just put it in a closet, it’s the easiest place to put a toilet.”
Due to being one of the only places in the home with running water inside, they later became known as water closets.
“To start, WC is an abbreviation standing for ‘water closet’, a name used in the 1900s for a toilet, due to most being fitted in a spare closet or cupboard. Over time WC has been used instead of bathroom to describe a room with a toilet but no bath,” per Plumb World.
And with that, the TikToker reveals that ‘WC’ stands for ‘water closet’.