The act of sustaining; support; maintenance; subsistence; as, the sustenance of the body; the sustenance of life.

That which supports life; food; victuals; provisions; means of living; as, the city has ample sustenance.

the financial means whereby one lives; "each child was expected to pay for their keep"; "he applied to the state for support"; "he could no longer earn his own livelihood"

the act of sustaining life by food or providing a means of subsistence; "they were in want of sustenance"; "fishing was their main sustainment"