SUSTENANCE

sustenance. Sustenance, n. maintenance, food, the use of food

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Sus″te‐nance (?), n. [[OF. sustenance, sostenance, soustenance: cf. L. sustenentia endurance. See Sustain.]] 1. 1. The act of sustaining; support; maintenance; subsistence; as, the sustenance of the body; the sustenance of life.
2. 2. That which supports life; food; victuals; provisions; means of living; as, the city has ample sustenance. “A man of little sustenance.” Chaucer.
For lying is thy sustenance, thy food. Milton.