Question: What term was coined during World War II for knives in the Victorinox collection?

full_context: Document 1: Spyderco: Spyderco is a Golden, Colorado, U.S.A. based cutlery company that produces knives and knife sharpeners. Spyderco pioneered many features that are now common in folding knives, including the pocket clip, serrations, and the opening hole. Spyderco has collaborated with 30 custom knife makers, athletes, and self-defense instructors for designs and innovated the usage of 20 different blade materials.
Document 2: Swatch: Swatch is a Swiss watchmaker founded in 1983 by Nicolas Hayek, and is subsidiary of The Swatch Group. The product line was developed as a response to the "quartz crisis" of the 1970s and 1980s, in which Asian-made digital watches were competing against traditional European-made mechanical watches.
Document 3: ETA SA: ETA SA Manufacture Horlogère Suisse (ETA SA Swiss Watch Manufacturer) designs and manufactures quartz watches and both hand-wound and automatic-winding mechanical ébauches and movements. Commonly referred to as ETA, the company is headquartered in Grenchen, Switzerland and is a wholly owned subsidiary of The Swatch Group Ltd.
Document 4: Swiss Army knife: The Swiss Army knife is a pocketknife or multi-tool manufactured by Victorinox AG (and up to 2005 also by Wenger SA). The term "Swiss Army knife" was coined by American soldiers after World War II due to the difficulty they had in pronouncing "Offiziersmesser", the German name.
Document 5: Rolex: Rolex SA ( ) is a Swiss luxury watchmaker. The company and its subsidiary Montres Tudor SA design, manufacture, distribute and service wristwatches sold under the Rolex and Tudor brands. Founded by Hans Wilsdorf and Alfred Davis in London, England in 1905 as Wilsdorf and Davis, Rolex moved its base of operations to Geneva, Switzerland in 1919.
Document 6: SIG SG 550: The SG 550 is an assault rifle manufactured by Swiss Arms AG (formerly a division of Schweizerische Industrie Gesellschaft now known as Sig Holding AG) of Neuhausen, Switzerland. "SG" is an abbreviation for "Sturmgewehr", or "assault rifle". The rifle is based on the earlier 5.56mm SG 540 and is also known as the Fass 90 ("Fusil d'assaut" 90/"Fucile d'assalto" 90) in French/Italian or Stgw 90 in German ("Sturmgewehr" 90).<ref name="SwissArms-SG550/PE90"> </ref>
Document 7: The Swatch Group: The Swatch Group is a Swiss manufacturer of watches and jewelry. The company was founded in 1983 by Nicolas Hayek from the merger of Allgemeine Gesellschaft der Schweizerischen Uhrenindustrie (ASUAG) and Société Suisse pour l'Industrie Horlogère (SSIH).
Document 8: SIG SG 540: The SG 540 is a 5.56×45mm NATO assault rifle developed in the early 1970s by Schweizerische Industrie Gesellschaft (SIG, currently SAN Swiss Arms AG) based out of Neuhausen, Switzerland as a private venture primarily destined for export markets and as a potential replacement for the 7.5×55mm Swiss SG 510 automatic rifle known as the Stgw 57 in Swiss service.
Document 9: Ek Commando Knife Co.: Ek Commando Knife Co. or Ek Knives is an American combat knife brand produced by several different companies since the original founded by John Ek in 1941. In May 2014 the Ek brand as purchased by Ka-Bar which began selling its versions of Ek knife designs in 2015. Although not officially issued gear, Ek Knives have seen use by US forces in six major conflicts: World War II, the Korean War, the Vietnam War, the Gulf War, Afghanistan, and the Iraq War. Ek Knives manufactures Bowie-style blades, daggers, and a Fairbairn-Sykes MkII. President Franklin Delano Roosevelt, Clark Gable, and General George S. Patton have been identified as Ek knife owners.
Document 10: Wenger: Wenger is one of two companies that have manufactured Swiss Army knives. Based in Delémont, Wenger was acquired by rival Victorinox in 2005. Since 2013, Wenger Swiss Army knives are integrated in the Victorinox collection (as the "Delémont collection"); the brand Wenger remains for watches and licensed products.
Document 11: Concord watch: Concord Watch Company is a Swiss luxury goods company that is part of the Movado group that owns Movado, Ebel, ESQ, Coach and Hugo Boss. Founded in 1908, Concord was purchased in 1970 by the North American Watch Company, which also distributed the Piaget and Corum lines of watches. From the late 1970s to the late 1980s, Concord produced what would become some of the most marketed and respected luxury quartz watches on the market. Concord watches became recognized in large cities as status symbols and were noted for their innovation and design. Flagship quartz models such as the Concord Centurion and Concord Delirium ranged from $2,000 to $20,000 surpassing the price of base automatic Rolex, Cartier and Omega wristwatches. By the 1990s Concord watches fell out of style and grew obsolete amidst the re-branding of the company. While the brand still exists today, it never regained its market position nor visibility that it once had.
Document 12: Universal Genève: Universal Genève SA is a Swiss luxury watch company, founded in 1894 as "Universal Watch".
Document 13: Longines: Longines (] , ) is a luxury watch company based in Saint-Imier, Switzerland. Founded by Auguste Agassiz in 1832, it is currently owned by the Swatch Group. Its winged hourglass logo is the oldest registered trademark for a watchmaker.
Document 14: Swiss railway clock: The Swiss railway clock was designed in 1944 by Hans Hilfiker, a Swiss engineer, together with Mobatime, a clock manufacturer, for use by the Swiss Federal Railways as a station clock. In 1953, Hilfiker added a red second hand in the shape of a railway guard's signaling disc.
Document 15: SIG Sauer: There are two SIG Sauer companies. The original company, SIG Sauer GmbH, is a Swiss-German firearms manufacturer and exporter, formed in 1976 as a partnership between Schweizerische Industrie Gesellschaft (SIG) of Switzerland and J.P. Sauer & Sohn of Germany. SIG (now known as SIG Holding, AG) no longer has any firearms business. Their firearms subsidiary, Swiss Arms AG, was sold to (L&O Holding) of Emsdetten, Germany and was renamed Swiss Arms. L&O Holding is currently the parent company of SIG Sauer GmbH.
ground_truth: Swiss Army knife