英和和英

語源

From the trademark Duo-Tang, registered in 1962 by the Duo-Tang company.

名詞

Duo-Tang (plural Duo-Tangs)

1. (Canada, genericized trademark) A folder with flexible metal fasteners.

名詞

duotang (plural duotangs)

1. (Canada, genericized trademark) A type of folder with three prongs that is commonly used to store papers in elementary school settings.

   One of the students is really messy — his worksheets are always falling out of his duotang.

   • 2001 August 30, “Sundry Letters”, in Words: Woe & Wonder‎ (forum), retrieved 12 July 2024:

     Also what the heck are the origins of the words "Duatang" and "Touque"? These words seem to be uniquely Canadian. [...] Editor's Note: According to the Canadian Oxford Dictionary, Duo-Tang is a "proprietary" term (i.e., a company enjoys trademark protection) for a type of folder for looseleaf paper.

参考

• three-hole punch

Further reading

• Dictionary of Canadianisms on Historical Principles 3 Edition entry for duo-tang