The word snorkel is a direct borrowing from the German Schnorchel (also Schnorkel), an informal word derived from schnorcheln, meaning to snore. The name was applied to the retractable air intake tubes fitted to German submarines during World War II, apparently because of the snoring or snuffling sound the devices made when operating at the surface. After the war, the word transferred to the simple breathing tube used by recreational swimmers — one of the more dramatic demotions in etymological history, from submarine warfare to beach holidays.
The submarine Schnorchel was not a German invention but a Dutch one. The Royal Netherlands Navy developed the concept in the late 1930s as a way to ventilate submarines while they remained submerged. When Germany occupied the Netherlands in 1940, German engineers acquired the technology and adapted it for U-boat use. The device allowed diesel submarines to run
This technology became crucial in the later years of World War II. Allied air and radar superiority made it increasingly dangerous for U-boats to surface, but diesel submarines needed to surface to run their engines and charge their batteries. The Schnorchel provided a partial solution, allowing submarines to operate their diesel engines while exposing only a small tube to potential detection. While not a perfect solution — the tubes were still detectable by advanced radar, and rough seas could force the valve closed,
English adopted snorkel during the war, initially in military intelligence and naval terminology. Allied forces needed a word for this German technology, and the German term was naturalized with simplified English spelling. By the end of the war, snorkel was established in military English.
The peacetime application of the word came quickly. Recreational diving and snorkeling equipment had existed in various forms before the war, but the postwar boom in leisure activities and beach tourism created a mass market for simple underwater breathing equipment. The J-shaped tube that allows a swimmer to breathe while floating face-down was already in use; it needed only a name. Snorkel — vivid, memorable, and recently familiar from wartime reporting — proved
The activity of snorkeling, derived from the equipment name, became one of the world's most popular water sports. The Great Barrier Reef, Caribbean reefs, and tropical destinations worldwide built tourism industries partly around snorkeling access. The word generated its own vocabulary: snorkeling, snorkeler, snorkel gear.
The journey of snorkel from a German onomatopoeia for snoring through submarine warfare to tropical recreation encapsulates the unpredictable paths that words travel. Few would have predicted that a piece of deadly submarine technology would give its name to one of the most peaceful and accessible of water sports.