The story
Possibly a reference to the Lord's Prayer in the Bible, part of which reads in the King James Version: “Give us this day our daily bread” (see Matthew 6:11, and compare Luke 11:3).
Etymology from Wiktionary, CC BY-SA 4.0.
daily bread
dai·ly breadToday it means: All those things, such as regular food and water, needed to sustain physical life. Full definition →