A combination of substance and sustenance, this refers to one's sustenance which may also be classified as a "substance;" whether it sustains one financially, emotionally, or physically, one needs it get by
Man, I need to get more substenance, so I can make rent... and feel better.
by Herbleture July 23, 2013
A word that combines sustenance and substance into one word.
I need some substenance or I will die of lack of substenance.
by Pedro the substenancer November 06, 2010