Meaning of “maintenance” - Learner’s Dictionary

maintenance

noun [ U ] uk us /ˈmeɪntənəns/
WORK

B2 the work that is done to keep something in good condition:

car maintenance
I want a garden that's very low maintenance (= easy to look after).
MONEY UK

regular amounts of money that someone must pay after they have left their family so that the family still has money to live on:

child maintenance

(Definition of “maintenance” from the Cambridge Learner’s Dictionary © Cambridge University Press)