Language is full of hidden surprises, and the origins of common words can often tell fascinating stories about history and culture. Linguist Gareth Roberts dives into the internet's most burning questions about word etymology, from the birth of ancient languages to the quirky evolution of modern slang. Ever wondered when words like “dude” or “bro” became gender-neutral, or who invented the word “poop”? From the bizarre to the mind-blowing, these 21 facts about language origins will leave you looking at words in a whole new way.