authorship

Concise Oxford English Dictionary © 2008 Oxford University Press:
author/ˈɔːθə(r)/

▶noun

• 1 a writer of a book, article, or report.

• 2 an originator of a plan or idea.

▶verb be the author or the originator of.

– derivatives
authoress noun,
authorial /ɔːˈθɔːrɪəl/ adjective,
authorship noun.

– origin ME: from OFr. autor, from L. auctor, from augere ‘increase, originate’.