Where does “ʾywk'” come from?

ʾywk' (Middle Persian) comes from Middle Persian ʾy, from Proto-Iranian Háywah, from Proto-Indo-Iranian Háywas, from Proto-Indo-European óynos — one; single.

Ancestry of “ʾywk'”, step by step

StepLanguageWordMeaning
1Middle Persianʾy—
2Proto-IranianHáywahone
3Proto-Indo-IranianHáywasjust, only; one
4Proto-Indo-Europeanóynosone; single

Words derived from “ʾywk'”

Every word from Proto-Indo-European óynos →Every word from Proto-Indo-Iranian Háywas →Every word from Proto-Iranian Háywah →