sustenance

[1]	nutriment , nutriment , nourishment , nourishment , food (and drink) , nutrition , aliment , daily bread , rations , alimentation , victuals , victuals , provisions , provender , groceries , aliment , edibles , eatables , foodstuff(s) , viands , meat , (Colloq) grub , eats , chow , nosh , (Slang) (Brit) prog , scoff
[2]	livelihood , support , keep , support , maintenance , livelihood , living , upkeep , keep , bread and butter , subsistence , living
[3]	sustentation , sustainment , maintenance , upkeep