Definition of the word buoyancy

The word "buoyancy" has its roots in the Latin word "buoyare," meaning "to float." This term is related to the Greek "boué," meaning "a floating object," which in turn derived from the word "boua," meaning "a cask." Over time, "buoyare" evolved into the French "bouyer," meaning "to buoy up," and ultimately into the English "buoy," which initially referred to a floating object used as a marker. "Buoyancy" then arose as a noun describing the upward force that acts against gravity, keeping objects afloat. The concept of buoyancy was first understood by Archimedes in ancient Greece, who formulated the principle that bears his name.