Reginaldo is the Portuguese form of the name Reginald. It derives ultimately from the Germanic elements regin meaning "advice, counsel, decision" and walt meaning "power, authority", combining to convey "ruler with good counsel" or "powerful advisor". The name entered Portuguese through Latinized and French intermediaries, becoming established as a classic given name. Etymology and Historical Development The root name Reynold comes from the Germanic compound Raginald. This was Latinized as Reginaldus and adopted across Europe in various forms. In Portuguese, Reginaldo evolved as a direct adaptation of the Latin Reginaldus, sharing its meaning and structure. The name was used among the nobility and clergy, reflecting its strong, authoritative connotations. Notable Bearers Several Brazilian footballers bear the name Reginaldo, highlighting its popularity in Portuguese-speaking regions. Examples include Reginaldo Araújo (born 1977), a football defender, and Reginaldo (born 1993), a right-back. Others include Reginaldo Ferreira da Silva (born 1983), a striker. In addition, Maicosuel Reginaldo de Matos (born 1986) is a Brazilian footballer, and Piá (born 1973) has Reginaldo Revelino Jandoso as his full given name. Related Forms Variants include Reinaldo and Reynaldo, both common in Spanish and Portuguese. Other cognates in European languages include French Renaud, Italian Rinaldo, Dutch Reinoud and Reinout, Scottish Ronald, and English Reginald. Meaning: "ruler with wise counsel" or "powerful advisor" Origin: Germanic, through Latin and French Type: Given name, Portuguese form of Reginald Usage: Primarily Portuguese, especially in Brazil