|Region||Parthia, ancient Iran|
|Era||State language 248 BC – 224 AD. Marginalized by Middle Persian from the 3rd century|
|Writing system||Inscriptional Parthian, Manichaean alphabet|
The Parthian language, also known as Arsacid Pahlavi and Pahlavanik, is a now-extinct ancient Northwestern Iranian language spoken in Parthia, a region of northeastern ancient Iran during the rule of the Parthian empire.
Parthian was the language of state of the Parthian Empire (248 BC – 224 AD).
Parthian was a Western Middle Iranian language that, through language contact, also had some features of the Eastern Iranian language group, the influence of which is attested primarily in loan words. Some traces of Eastern influence survives in Parthian loan words in the Armenian language.
Written Parthian 
The Parthian language was rendered using the Pahlavi writing system, which had two essential characteristics: First, its script derived from Aramaic, the script (and language) of the Achaemenid chancellery (i.e. Imperial Aramaic). Second, it had a high incidence of Aramaic words, rendered as ideograms or logograms, that is, they were written Aramaic words but understood as Parthian ones (See Arsacid Pahlavi for details).
The Parthian language was the language of the old Satrapy of Parthia and was used in the Arsacids courts. The main sources for Parthian are the few remaining inscriptions from Nisa and Hecatompolis, Manichean texts, Sasanian multi-lingual inscriptions, and remains of Parthian literature in the succeeding Middle Persian. Among these, the Manichean texts, composed shortly after the demise of the Parthian power, play an important role for reconstructing the Parthian language. These Manichean manuscripts contain no ideograms.
Remnants of the Parthian language include:
- The Ostraca (100 BC to found in Nisa and other sides in southern border of modern Turkmenistan)
- The first century BC ostraca from Kumesh in Eastern Iran.
- The first century AD parchment from Awraman or Hawraman in Iranian Kurdistan
- Inscription of on the coins of Arsacid Kings in the first century AD
- The bilingual inscription of Seleucia, on the Tigris (150-151 AD)
- The inscription of Ardavan V found in Susa (215)
- Some third century documents discovered in Dura-Europos, On the Euphrates
- The inscription at Kal-e Jangal, near Birjand in South Khorasan (first half of third century)
- The inscriptions of early Sassanian Kings and priests in Parthian including Ka'ba-ye Zartosht near Shiraz and Paikuli in Iraqi Kurdistan
- The vast corpus of Manichean Parthian which do not contain any ideograms
In 224 AD, Ardashir I, the local ruler of Pars, deposed and replaced Artabanus IV, the last Parthian Emperor, and founded the fourth Iranian dynasty, and the second Persian dynasty, the Sassanian Empire. Parthian was then succeeded by Middle Persian, which when written is known as Sasanian Pahlavi. Parthian did not die out immediately, but remains attested in a few bi-lingual inscriptions from the Sasanian era.
See also 
- Avestan language
- Old Persian language
- Middle Persian
- Persian language and history of Persian language
- Pahlavi Literature
- Iranian Languages vocabulary comparison table
- Lecoq, Pierre (1983). "Aparna". Encyclopedia Iranica. 1. Costa Mesa: Mazda Pub. http://www.iranicaonline.org/articles/aparna-c3k
- Iran Chamber Society
- Josef Wiesehfer, "Ancient Persia: From 550 Bc to 650 A.D.", translated by Azizeh Azado, I.B. Tauris, 2001. p. 118.
- Tafazzoli, A.; Khromov, A.L. "Sasanian Iran: Intellectual Life" in History of civilizations of Central Asia, UNESCO, 1996. Volume 3
General references 
- Lecoq, Pierre (1983). "Aparna". Encyclopedia Iranica 1. Costa Mesa: Mazda Pub.
- Hugh Chisholm, ed. (1911). "Parthia". Encyclopaedia Britannica 20. London: Cambridge University Press. p. 871.
- Boyce, Mary; Ghirshman, R. (1979). "Review: R. Ghirshman's L'Iran et la Migration des Indo-Aryens et des Iraniens". Of the American Oriental Society (Journal of the American Oriental Society, Vol. 99, No. 1) 99 (1): 119–120. doi:10.2307/598967. JSTOR 598967.
- Some valuable texts in Parthian including Boyce, Mary The Manichaean hymn-cycles in Parthian (London Oriental Series, Vol. 3). London: Oxford University Press, 1954.
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