Amanuensis

Amanuensis ( /əˌmænjuːˈɛnsɪs/), plural amanuenses, is a person employed to write or type what another dictates or to copy what has been written by another, and also refers to a person who signs a document on behalf of another under their authority. The term derives from a Latin expression made up of a suffix, -ensis, "belonging to", and prefix, manu-, "hand".

Read more about Amanuensis:  Origin and Secretarial Uses, Academic Uses, Religious Uses, Job Titles