Pah·la·vi 
(pälə-vē′, -hlə-) also Peh·le·vi (pā-)
(pälə-vē′, -hlə-) also Peh·le·vi (pā-)n.
1. A writing system derived from the Aramaic alphabet used to write Middle Persian, Parthian, and other Middle Iranian languages.
2. See Middle Persian.
[Persian pahlavī, from Pahlav, Parthia, from Old Persian Parthava-.]