#maintenance  means of maintenance of a family or group
  supertype:  livelihood__support__keep__living__bread_and_butter__breadandbutter__sustenance  the financial means whereby one lives; "each child was expected to pay for their keep"; "he applied to the state for support"; "he could no longer earn his own livelihood"
     supertype:  resource  available source of wealth; a new or reserve supply that can be drawn upon when needed
        supertype:  assets  anything of material value or usefulness
           supertype:  possession  anything owned or possessed
              supertype:  owned_entity__ownedentity
                 supertype:  entity_playing_some_role  e.g., an agent, an owner
                    supertype:  entity  something that can be "involved" in a situation
                       supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                    supertype:  thing_that_can_be_seen_as_a_relation  usable as relation type
                       supertype:  thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                          supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

No statement uses or specializes maintenance; click here to add one.