- Proto Hind-Ewropaki ra *oinos-dekm ("yewendes")
- Proto-Aryaki ra *aiwa-dasa ("yewendes")
- Zazaki: yawandas Alfabeyê Ariki
- Ewıstki: aēvadasa- ("yewendes")
- Pehlewki: yāčdahum ("yewendes")
- Farski: yāzdah ("yewendes")
- Kurmancki: yāzdah ("yewendes") (< Farski ra)
- Sanskritki: ekādaśa ("yewendes")
- Yunanki: éndeka ("yewendes")
- Latinki: ūndecim ("yewendes")
- Horn, Paul. Dictionary of Persian Etymology (Strassburg, 1893),
- Julius Pokorny's Indo-European Etymological Dictionary
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