maintenance
US /ˈmeɪn.tən.əns/
UK /ˈmeɪn.tən.əns/

1.
the process of preserving a condition or situation or the state of being preserved
:
•
The maintenance of peace is crucial for global stability.
•
Regular maintenance of the equipment is essential for its longevity.
2.
the provision of financial support for a person's living expenses
:
•
He pays monthly maintenance to his ex-wife.
•
The court ordered him to pay child maintenance.