Etymology — the study of the history of words — is an incredibly interesting field of study, due in large part to the fact that human language in constantly in flux. In their respective cultures, humans speak differently today than their predecessors 50 years before. Although crude, swear words are an interesting point of change in etymology. “F*uck – Understanding Everyone’s Swear Word,” traces the evolution of the English language’s most infamous swear word and what it means today.