What is the shortest word in the world?

The shortest word in the English language is the two-letter word "ox," which is a type of domesticated bovine animal. The word "ox" dates back to Old English and is used to refer to a castrated male of the species Bos taurus. In addition to being the shortest word in the English language, "ox" is also one of the oldest words in the language, with a history dating back over a thousand years.