Definition of maintenance
1
: the act of maintaining : the state of being maintained : support
The building has suffered from years of poor maintenance.
2
: something that maintains
at least half of them are living parasitically on the other half instead of producing maintenance for themselves— G. B. Shaw
3
: the upkeep of property or equipment
the maintenance of the school
4
: an officious or unlawful intermeddling in a legal suit by assisting either party with means to carry it on
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Merriam-Webster unabridged
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Time Traveler for maintenance
The first known use of maintenance was in the 14th century
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