Where does “pystʾn'” come from?

pystʾn' (Middle Persian) comes from Proto-Indo-European pstḗn, from Proto-Indo-European ph₂ǵ-sth₂-ḗn, from Proto-Indo-European steh₂- — to stand.

Ancestry of “pystʾn'”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanpstḗnbreast, teat
2Proto-Indo-Europeanph₂ǵ-sth₂-ḗn—
3Proto-Indo-Europeansteh₂-to stand

Words derived from “pystʾn'”

Every word from Proto-Indo-European steh₂- →Every word from Proto-Indo-European ph₂ǵ-sth₂-ḗn →Every word from Proto-Indo-European pstḗn →