D defs.my
Entry 2 senses Webster, 1913

Sustenance

/sŭs'-tən-əns/ · Sus·te·nance · IPA /ˈsʌs.tə.nəns/
01 n. The act of sustaining; support; maintenance; subsistence; as, the sustenance of the body; the sustenance of life.
  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.
    “For lying is thy sustenance, thy food.” Milton.