meaning of sustenance
1. The act of sustaining; support; maintenance; subsistence; as, the sustenance of the body; the sustenance of life.
2. That which supports life; food; victuals; provisions; means of living; as, the city has ample sustenance.
3. the act of sustaining life by food or providing a means of subsistence; "they were in want of sustenance"; "fishing was their main
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