bread of life en · NOUN
Etymology
From the biblical Bread of Life Discourse.
Meanings
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(idiomatic, uncountable) Anything which is regarded as a source or inspiration of spiritual nourishment.
[…]if we could look with the eye of faith, we should see that their living and dying has been bread of life to those they left behind.
1862, Harriet Beecher Stowe, The Pearl of Orr's Island: