If you’ve ever traveled internationally or even just walked into a public restroom somewhere in Europe, you’ve probably seen a sign that says “WC.” It’s one of those things we see all the time but never stop to think about. What does it actually mean? Why not just say toilet, bathroom, or restroom like everyone else?

Well, the answer is surprisingly historical — and a little bit royal.

 What “WC” Really Stands For

The abbreviation “WC” stands for “Water Closet.”