Placido is an Italian name derived from the Latin word "placidus," meaning calm or peaceful. It has been used in Italy for centuries and was often given to individuals believed to embody tranquility during the Middle Ages. Notable figures like Placido De Tarsis, a 16th-century scholar and poet, and Placido Domingo, a renowned opera singer, have carried this name throughout history. Despite its uniqueness, Placido remains an appealing choice for parents seeking a meaningful name with calming connotations.