Where does “ws” come from?

ws (Middle Persian) comes from Proto-Iranian *was-, from Proto-Indo-European weḱ- — to wish, to want.

Ancestry of “ws”, step by step

StepLanguageWordMeaning
1Proto-Iranian*was-—
2Proto-Indo-Europeanweḱ-to wish, to want

Words derived from “ws”

Every word from Proto-Indo-European weḱ- →Every word from Proto-Iranian *was- →