Origin Story
Bikini Atoll is a coral atoll in the Marshall Islands. Its Marshallese name, Pikinni, is generally glossed as "place of coconuts." In the spring of 1946 the United States designated the atoll as a nuclear test site, and its residents were required to leave. On 1 July 1946 the first test of Operation Crossroads was carried out there, and the unfamiliar place name appeared on front pages around the world. Four days later, on 5 July, Louis Réard presented a new two-piece swimsuit at the Piscine Molitor in Paris. He gave it the name he had just learned from the newspapers — bikini — calculating that the garment would cause a comparable shock. Jacques Heim had shortly before named a similar design "Atome," and the naming contest between the two designers says much about the mood of the era. The word began appearing in English-language papers the following year and settled into dictionaries in the late 1940s.
The bi- in bikini is not the Latin for "two"; it is simply the first syllable of a Marshallese place name. English speakers nonetheless read it as "two," and that misreading produced monokini (1964) and later tankini — a false analysis that went on to coin new words. Meanwhile, the return of Bikini Atoll's displaced residents has never been fully achieved, owing to lasting radioactive contamination.
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Online Etymology Dictionarybikini (n.): 1947, from French, named for U.S. A-bomb test of 1946 on Bikini, atoll in the Marshall Islands; the name is from Marshallese Pikinni, said to mean "coconut place"
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Oxford English Dictionarybikini: from Bikini, an atoll in the Marshall Islands, site of an atomic bomb test in 1946 (the swimsuit being so named for its supposedly explosive effect)
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Merriam-Webster Dictionarybikini: French, from Bikini, atoll of the Marshall Islands; first known use 1947
Word Evolution
Words from the Same Root
Memory Hook
The bi- in bikini is not "two" but the first syllable of an atoll's name. Remember it as a single dot on the map that became the name of a garment.
""A single place name became the name of a summer.""
