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noun
- means of sustaining life; nourishment.
- means of livelihood.
- the process of sustaining.
- the state of being sustained.
noun
- means of sustaining health or life; nourishment
- means of maintenance; livelihood
- Also: sustention (səˈstɛnʃən) the act or process of sustaining or the quality of being sustained
n.c.1300, “means of living, subsistence, livelihood,” from Old French sustenance (French soutenance), from Late Latin sustinentia “endurance,” from Latin sustinens, present participle of sustinere (see sustain). Meaning “action of sustaining life by food” is from late 14c. Sense of “nourishment” is recorded from late 15c.