- Proto-Hindo-Ewropayi ra *per2- ("to go over, over") > *prtu- ("pırd, passage")
- Proto-Aryayi ra *par- ("pırd, passage")
- Ewıstki: peretu- ("pırd")
- Farski: pul ("pırd")
- Kurmancki: pir ("pırd")
- Goranki: pirdi ("pırd")
- (Zazaki: pird) Alfabeyê Ariki
- Sanskritki: par- ("cross over, passage")
- Yunanki: pērētu ("pırd")
- Latinki: porta ("--gate--") portare ("passage")
- Almanki: furt ("passage")
- İngılızki: ford ("passage")
- Horn, Paul. Dictionary of Persian Etymology (Strassburg, 1893),
- Watkins, Calvert. The American Heritage Dictionary of Indo-European Roots, 2nd ed., Houghton Mifflin Co., 2007. *Amazon.com ra,
- MacKenzie, David Neil. The dialect of Awroman (Hawraman-i Luhon) Grammatical sketch, texts, and vocabulary. 1966, Kommissionaer: Munksgaard (København).,
- Etymonline. Online English Etymology Dictionary. <etymonline.com> by Douglas Harper.,
- Julius Pokorny's Indo-European Etymological Dictionary
|