sustainment
sus·tain·ment
noun
1.
the act of sustaining life by food or providing a means of subsistence
- “they were in want of sustenance”
- “fishing was their main sustainment”
Origin
From sustain + -ment.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.