The word "cutlass" entered English in the 1590s from French coutelas, which was an augmentative form of Old French coutel (knife). The Old French word descended from Latin cultellus (small knife), the diminutive of culter (knife, ploughshare). Despite the convenient appearance of "cut" in its spelling, "cutlass" has no etymological connection to the English verb "cut," which is of uncertain, possibly Scandinavian origin. The resemblance is pure coincidence — or perhaps folk etymology influencing the spelling.
The morphological journey is worth tracing. Latin culter (knife) generated the diminutive cultellus (little knife), which entered French as coutel. French then applied the augmentative suffix -as, creating coutelas — a big knife, essentially reversing the diminutive and then exceeding the original. This sequence — knife → small knife → big knife — produces
The cutlass became the iconic naval weapon of the 17th through 19th centuries for practical reasons. Ship-to-ship combat occurred in extremely confined spaces — low-ceilinged decks, narrow gangways, crowded fighting tops. A long sword like a rapier or backsword was a liability in such environments; its length made it awkward to draw and dangerous to wield in a crowd. The cutlass, with its short, broad, slightly curved blade, was ideal for close-quarters slashing and
The association between cutlasses and pirates, though romanticized in popular culture, has a historical basis. Caribbean buccaneers of the 17th century favoured the weapon because it was cheap, durable, required minimal training to use effectively, and served both combat and utility functions aboard ship. The French boucaniers and English pirates of the Spanish Main carried cutlasses alongside pistols, and the combined discharge-and-charge tactic — fire a pistol then rush in with cutlass — became standard boarding procedure.
The British Royal Navy issued cutlasses to sailors until surprisingly late. The weapon remained part of the official naval inventory through both World Wars, though its combat role had long been superseded by firearms. The cutlass was finally removed from the Royal Navy's weapons list in 1936, though ceremonial cutlasses continue to appear in naval parades and traditions. The American Navy retained the cutlass even longer
Latin culter generated a broader word family including "cutlery" (eating knives and implements), "coulter" (the vertical blade on a plough that cuts the soil), and through different Romance pathways, Spanish cuchillo and Portuguese cutelo. The connection between knives for eating, knives for fighting, and blades for farming reflects the fundamental importance of sharp-edged tools across every domain of human activity.