Americanism (noun)

An idiom, custom, or characteristic feature of American English or of the United States and its culture.

Origin:

Mid 19th century: from american + -ism.

Examples:

  1. The use of the word "gotten" is considered an Americanism.
  2. The phrase "have a nice day" is an Americanism.
  3. The custom of trick-or-treating on Halloween is an Americanism.
  4. The use of the word "soccer" for association football is an Americanism.
  5. The concept of "Black Friday" is an Americanism.
Some random words: via, plainsong, concoct