maintained

Concise Oxford English Dictionary © 2008 Oxford University Press:
maintain/meɪnˈteɪn/

▶verb

• 1 cause or enable (a condition or situation) to continue.

  ■ keep at the same level or rate.

• 2 keep (a building, machine, etc.) in good condition by checking or repairing it regularly.

• 3 provide with necessities for life or existence.

  ■ archaic give one's support to; uphold.

• 4 assert something to be the case.

– derivatives
maintainability noun,
maintainable adjective,
maintainer noun.

– origin ME: from OFr. maintenir, from L. manu tenere ‘hold in the hand’.