sustentation

noun

1. 1.The act or the result of sustaining; sustainment.
2. 2.The aggregate of the functions by which a living organism is maintained in a normal condition of weight and growth.
3. 3.The scheme by which the ministers of the Free Church of Scotland are supported by voluntary contributions not local or congregational, but with a national altruism or solidarity paid into a great central fund, out of which equal stipends are paid to all alike.