Where does “yw'n” come from?

yw'n (Middle Persian) comes from Proto-Iranian HyúHā, from Proto-Indo-Iranian HyúHā, from Proto-Indo-European h₂yéwHō, from Proto-Indo-European h₂óyu, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.

Ancestry of “yw'n”, step by step

yw'n traces back through two separate lines of ancestry.

via Proto-Iranian HyúHā

StepLanguageWordMeaning
1Proto-IranianHyúHāyouthful, young
2Proto-Indo-IranianHyúHāyouthful, young
3Proto-Indo-Europeanh₂yéwHōyoung
4Proto-Indo-Europeanh₂óyulong time, lifetime
5Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning

via Indo-Iranian *HyúHā

StepLanguageWordMeaning
1Indo-Iranian*HyúHā

Words derived from “yw'n

Every word from Proto-Indo-European h₂ey-Every word from Proto-Indo-European h₂óyuEvery word from Proto-Indo-European h₂yéwHō