Where does “(p)stánas” come from?

(p)stánas (Proto-Indo-Aryan) comes from Proto-Indo-Iranian pstánas, from Proto-Indo-European pstḗn, from Proto-Indo-European ph₂ǵ-sth₂-ḗn, from Proto-Indo-European steh₂- — to stand.

Ancestry of “(p)stánas”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iranianpstánasbreast; teat, nipple
2Proto-Indo-Europeanpstḗnbreast, teat
3Proto-Indo-Europeanph₂ǵ-sth₂-ḗn
4Proto-Indo-Europeansteh₂-to stand
Every word from Proto-Indo-European steh₂-Every word from Proto-Indo-European ph₂ǵ-sth₂-ḗnEvery word from Proto-Indo-European pstḗn