Association football - Wikipedia
https://en.wikipedia.org/wiki/Association_footballFootball is one of a family of football codes, which emerged from various ball games played worldwide since antiquity.. The term soccer comes from Oxford "-er" slang, which was prevalent at Oxford University in England from about 1875, and is thought to have been borrowed from the slang of Rugby School.The slang also gave rise to rugger for Rugby football, fiver and tenner …