Merriam-Webster's Word of the Day for October 12, 2026, is nexus. Nexus refers to a relationship or connection between people or things. It can also signify a connected group or series. Furthermore, nexus denotes the center or focus of something. For instance, a cultural district can be a nexus for art and cuisine. The word entered English in the 17th century from Latin, initially meaning "connection" or "link." Over time, its usage expanded to include a connected group or series of items. More recently, nexus has acquired a third meaning, signifying a "center" or "hub." The Legend of Zelda video game series exemplifies these various definitions. The games themselves can be seen as a nexus, forming a connected saga with recurring elements. Fictional locations within the games often present nexuses to alternate dimensions or past eras. Additionally, the central castle in Hyrule often serves as a hub, embodying the idea of a central nexus.