An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

1) The writer of a book, article, or other text. One who practices writing as a profession.
2) An originator or creator, as of a theory or plan.
3) Author God.

M.E. auctour, from O.Fr. autor, from L. auctor, "creator, enlarger, founder, master, leader," literally "one who causes to grow," from auctus, p.p. of augere "to increase," from PIE root aug- "to increase".

Dâtâr, from Mid.Pers. dâtâr/dâdâr "creator," from Av. and O.Pers. dâtâr "creator," from dâ- "to create, make, appoint," Skt. dhatr "author, creator, preserver, bearer." The Mod.Pers. form of this word in classical literary works is dâdâr, used mainly as noun or adjective for "God, the creator."

Of, relating to, or characterized by strict obedience to authority.

From authorit(y), → authority, + suffix -arian.

1) The enforcement or advocacy of strict obedience to authority at the expense of personal freedom.
2) Lack of concern for the wishes or opinions of others (OxfordDictionaries.com).

→ authoritarian; → -ism.

1) Recognized or accepted as being true or reliable.
2) Exercising or asserting authority; commanding.
3) Possessing or supported by authority; official (Dictionary.com).

From authorit(y), → authority, + suffix -ative.

1) The power to determine, adjudicate, or otherwise settle issues or disputes; jurisdiction; the right to control, command, or determine (Dictionary.com).
2) A person or body of persons in whom authority is vested, as a governmental agency (Dictionary.com).

→ author; → -ity.

Dâtârgân, from dâtâr, → author, + -gân, on the model of xodâygân "a great lord."

1) The act, fact, or occupation of writing.
2) Source or origin, as of a book or idea.

→ author.