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

The reason for which something exists or is done, made, used, etc. (Dictionary.com).

M.E. purpos, from O.Fr. porpos "aim, intention," from porposer "to put forth," from por- "forth," from L. → pro- "forth;" + O.Fr. poser "to put, place," → position.

Farneh, literally "put forth," from far-, variant of farâ-, → pro-, + neh present stem of nehâdan "to pose, place, lay," → position.

Having a purpose; determined; resolute.

→ purpose + -ful a suffix meaning "full of," "characterized by."

Farnehmand, from farneh, → purpose, + -mand, → -al.

1) Intentionally; deliberately.
2) With the particular purpose specified; expressly (Dictionary.com).

→ purpose; → -ly.