- a sustaining or being sustained; maintenance, support, or preservation
- something that sustains or supports; sustenance
Origin of sustentationMiddle English ; from Middle French ; from Classical Latin sustentatio ; from sustentare, frequentative of sustinere, to sustain
- Sustenance or maintenance, as with money.
- Something that sustains; a support.
Origin of sustentationMiddle English, from Old French, from Latin sustentati&omacron;, sustentati&omacron;n-, from sustentatus, past participle of sustentare, to support; see sustentacular.