Noun
-
the act of sustaining life by food or providing a means of subsistence
"they were in want of sustenance"
"fishing was their main sustainment"
-
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"
- bread and butter -
a source of materials to nourish the body