subsistence
nounThe act or state of subsisting.
nounA means of subsisting, especially means barely sufficient to maintain life.
nounSomething that has real or substantial existence.
nounHypostasis.
nounReal being; actual existence.
nounContinuance; continued existence.
nounThat which exists or has real being.
nounThe act or process of furnishing support to animal life, or that which is furnished; means of support; support; livelihood.
nounThe state of being subsistent; inherence in something else: as. the subsistence of qualities in bodies.
nounSynonyms Sustenance, etc. See