Definition of principal

The word "principal" has a rich history. It originates from the 14th-century Latin word "principalis," meaning "chief" or "most important." This Latin term is derived from "principalis," meaning "of the first rank" or "chiefly." In the 14th century, the word "principal" entered the English language, initially referring to a chief or head person. Over time, its meaning expanded to include various senses, such as a chief executive, a main part or feature, and, in education, the head of a school or institution. In the 16th century, the term became associated with the concept of chief financial officer, referring to an individual responsible for managing the finances of an organization. Today, the word "principal" has various meanings, including the leader of a school, the main part of something, and a financial officer. Despite its expansion, the root meaning of the word remains linked to the idea of something being of primary importance.