IPA: //ˈbækfiːld//
KK: /ˈbækˌfiːld/
In football, this term refers to the area where certain players line up, specifically those positioned behind the line of scrimmage.
The quarterback called a play from the backfield before the snap.
Backfield → It is formed from "back" (from Old English "bæc", meaning the rear or behind) and "field" (from Old English "feld", meaning an open land or area). The word "backfield" refers to the area behind the line of scrimmage in football, where players are positioned.
Think of the 'rear' ('back') area of an 'open land' ('field') in football, which helps you remember that backfield refers to the players positioned behind the line.