"Toilet" is not a euphemism: "Toilet" was by etymology a euphemism, but is no longer understood as such. As old euphemisms have become the standard term, they

"Toilet" is not a euphemism: "Toilet" was by etymology a euphemism, but is no longer understood as such. As old euphemisms have become the standard term, they have been progressively replaced by newer ones, an example of the euphemism treadmill at work. https://en.wikipedia.org/wiki/Toilet#Contemporary_Use https://en.wikipedia.org/wiki/Toilet#Contemporary_Use