Etymology and origin of the French word bikini
- Confidence
- Established
- Formation
- Eponym
- First attested
- 1946 trademark registered by Louis Réard More words from the 20th century
- Ultimate origin
- French Bikini
Pronunciation
- /bi.ki.ni/[1]
Forms
bikini m (plural bikinis)[1]
Etymology
It is from French Bikini, the name of an atoll of the Marshall Islands in the Pacific, made famous in 1946 by the first American atomic bomb test there.[2][3][4] The TLFi gives the source as the Anglo-American name Bikini.[2] Wiktionary traces the place name to German Bikini, the colonial name of the atoll, from Marshallese Pikinni.[2][1] Etymonline reports a derivation of the local name from pik (“surface”) and ni (“coconut”), but calls it uncertain.[5] The name was given to the swimsuit in France soon after the test, because it was supposed to have an explosive effect, like the bomb.[3][4]
Earliest recorded meaning
Louis Réard registered bikini as a trademark on 20 June 1946, together with monokini.[2][3] Other dictionaries date the word to about 1947.[6][7]
Semantic evolution
The tiny two-piece swimsuit came into fashion just after the war and caused something of a scandal, so that some Catholic countries at first banned it.[3] The word passed into many other languages;[3][2][5] American English had it from 1948, after first using bikini for a huge explosion (1947).[3][2][5] The Petit Robert now marks the word as dated, and Rey notes that it calls up the years 1946 to about 1970.[8][3] Monokini, registered at the same time from a playful analysis of bikini as bi- “two” plus -kini, spread later for a swimsuit without a top.[3]
Timeline
- 1946 – Louis Réard registers bikini and monokini as trademarks.[2][3]
- 1947 – American English uses bikini for a huge explosion.[3]
- 1948 – English takes the word for the swimsuit.[3][5]
- 1954 – Simone de Beauvoir uses it in Les Mandarins.[2]
Meanings
Noun
- A very small women's two-piece swimsuit, with a top covering the breasts and briefs; a deux-pièces.[2][8][6]
Word family
- monokini
References
- ^ a b c Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i Trésor de la langue française informatisé (2004), ATILF – CNRS & Université de Lorraine, atilf.fr/tlfi; electronic version of Imbs, Paul; Quemada, Bernard, eds. (1971–1994), Trésor de la langue française, Paris: CNRS / Gallimard
- ^ a b c d e f g h i j k Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
- ^ a b Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
- ^ a b c d Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
- ^ a b Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
- ^ Quemada, Bernard, ed. (1959–2006), Datations et documents lexicographiques (Base historique du vocabulaire français, BHVF), Paris: Klincksieck / CNRS / Champion; ATILF
- ^ a b Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
Cite this entry
“Bikini.” Etymologically, 14 Nov. 2026, etymologically.com/fr/bikini. Accessed 15 Nov. 2026.
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