one's daily bread; daily sustenance
Refers to the food or means of living needed each day; often used in a figurative or religious context.
He works to earn his family's daily bread.
Standard kanji spelling.
Alternate kanji spelling using 日々 instead of 日日; less common but valid.
Compound of 日々 (hibi, 'daily') + の (no, possessive particle) + 糧 (kate, 'food, sustenance').