The word "taboo" refers to a social or cultural prohibition against certain actions, discussions, or behaviors considered unacceptable or forbidden. These can be based on religious beliefs, cultural norms, or societal values. When something is taboo, it is often avoided or looked down upon, and breaking a taboo can lead to social ostracism or punishment.
The word "taboo" originates from the Tongan word "tapua," which means something sacred. It was introduced to English through Captain James Cook in the 18th century when he encountered various Polynesian cultures.