Depending on the jurisdiction, prostitution law may deem commercial sex to be legal or illegal.A person who works in this field is called a prostitute, and is a type of sex worker. Psychologist Simon Baron-Cohen and his colleagues at Cambridge’s Autism Research Centre have created the Autism-Spectrum Quotient, or AQ, as a measure of the extent of autistic traits in adults.
Another explanation is that prostituta is a composition of pro and statuere (to cause to stand, to station, place erect).
It is sometimes referred to euphemistically as "the world's oldest profession" in the English-speaking world. Brothels are establishments specifically dedicated to prostitution.