The term "soccer" is believed to have originated in England in the 19th century as a shortened form of "association football," which was the original name for the sport. In the United States, the term "soccer" has been in use since at least the early 20th century, and it is now the most common term used to refer to the sport in the United States.
xc19sn14 t1_j15ya2n wrote
Reply to ELI5: Why does American football is named "football" and football is named "soccer" in America ? by RedAskWhy
The term "soccer" is believed to have originated in England in the 19th century as a shortened form of "association football," which was the original name for the sport. In the United States, the term "soccer" has been in use since at least the early 20th century, and it is now the most common term used to refer to the sport in the United States.