French word manager comes from English manage

Detailed word origin of manager

Dictionary entry	Language	Definition
manage	English (eng)	(horseriding) Manège.. (now, _, rare) The act of managing or controlling something. (intransitive) To achieve without fuss, or without outside help.. (intransitive) To succeed at an attempt.. (obsolete) To bring about; to contrive.. (obsolete) To treat with care; to husband.. (transitive) To direct or be in charge of.. (transitive) To handle or control (a situation, job).. (transitive) To [...]
manager	English (eng)	(baseball) The head coach.. (computer software) A window or application whose purpose is to give the user the control over some aspect of the software.. (management) A person whose job is to manage something, such as a business, a restaurant, or a sports team.. (music) An administrator, for a singer or group. (Can we add an example for this sense?).
manager	French (fra)	(sports, Europe) manager.