sus·​ten·​ta·​tion | \ˌsə-stən-ˈtā-shən, -ˌsten-\

Definition of sustentation 

1 : the act of sustaining : the state of being sustained: such as

a : maintenance, upkeep

b : preservation, conservation

c : maintenance of life, growth, or morale

d : provision with sustenance

2 : something that sustains : support

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Other Words from sustentation

sustentative \ˈsə-​stən-​ˌtā-​tiv, sə-​ˈsten-​tə-​tiv \ adjective

Examples of sustentation in a Sentence

argues that a new toll is needed to pay for the long-term sustentation of the city's bridges the all-important sustentation of Mount Vernon, Monticello, and other national treasures

First Known Use of sustentation

14th century, in the meaning defined at sense 1

History and Etymology for sustentation

Middle English, from Anglo-French, from Latin sustentation-, sustentatio act of holding up, from sustentare to hold up, frequentative of sustinēre to sustain

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The first known use of sustentation was in the 14th century

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a nest or breeding place

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