Webster's English Dictionary

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maintenance

main.te.nance \'ma-nt-n*n(t)s, -*n-*n(t)s\ n [ME, fr. MF, fr. OF, fr. 
   maintenir] 1: the act of maintaining : the state of being maintained : 
   SUPPORT)M 2: something that maintains  3: the upkeep of property or 
   equipment  4: an officious or unlawful intermeddling in a legal suit by 
   assisting eith er party with means to carry it on