the Persian language at a stage that begins c300b.c. and includes Pahlavi (attested from the 3rd to the 7th centuriesa.d.) as well as the West Iranian literatures (3rd–10th centuriesa.d.) of religions carried outside Persia. Abbr.: MPers
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.