maintainer

Meanings

1. 1
   noun

   a person responsible for keeping equipment, a system, or a place in good condition

   A railway maintainer inspected the signals before dawn.

2. 2
   noun

   a person who manages and develops a software project or other shared body of work

   The package maintainer reviewed the proposed security patch.

3. 3
   noun

   a person who supports, defends, or asserts a principle, claim, or cause

   The maintainer of the theory answered each objection in turn.

From Anglo-Norman maintenour and Old French mainteneor, from maintenir ("to maintain"), later remodeled in English as maintain + -er. Its senses follow the verb: keeping something operational or upholding a position.

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