The word "fulcrum" is Merriam-Webster's Word of the Day for July 12, 2026. In its technical sense, a fulcrum is the support point around which a lever pivots to lift objects. Figuratively, it denotes an individual or entity crucial for something's operation or growth, signifying an indispensable role. For instance, critics might identify a supporting cast as the true fulcrum of a show despite a lead actor's performance. The moral fulcrum of a literary work, like Doctor Faustus, can highlight a fundamental statement about the human condition.Originating from the Latin "fulcrum," meaning a couch's headrest, and the verb "fulcīre," meaning "to prop or support," the word entered English in the 17th century. Initially, it described the support point for levers or oars. This literal meaning soon expanded to encompass figurative uses, describing essential elements in various contexts. All senses of "fulcrum" consistently revolve around the theme of support. In zoology, a fulcrum refers to an anatomical part that acts as a hinge or provides support, such as a bird's wing joint.