"De Quarantina Habenda" is a word in LAW AND LEGAL

Few of us could speak the other's language, but all of us had by now discovered the lodge's unique 'outside toilet'…which transcended all national barriers. The lodge owner wouldn't let you use it unless you promised to lock yourself in with a special key. Everybody thought this odd, but they understood his concern once inside. The loo was just two parallel blocks of wood laid either side of a big hole in the floor. You went in, squatted down on the blocks, felt the gust of chill air wafting up your nether regions, looked through legs, and watched the bottom fall out of your world for a sheer drop of two thousand feet! The reason for locking the door was obvious. Any unwitting interloper who swung it inwards when you were squatting over that hole was certain to knock you off your perch and straight down it. And that would be a one-way trip to oblivion. With your trousers round your ankles