Line manager etymology

English

English word line manager comes from English manager, English line

Detailed word origin of line manager

Dictionary entry Language Definition
manager English (en) (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?).
line English (en) (intransitive, baseball) To hit a line drive; to hit a line drive which is caught for an out. Compare fly and ground.. (intransitive, ‘line up’) To form or enter into a line.. (transitive) To mark with a line or lines, to cover with lines.. (transitive) To place (objects) into a line (usually used with "up"); to form into a line; to align.. (transitive) To place persons or things along the [...]
line manager English (en) The manager who is directly responsible for an employee.