Where does “پا خانه” come from?

پا خانه (Urdu) comes from Persian خانه, from Middle Persian 𐭡𐭩𐭲𐭠, from Old Persian *vahanam, from Proto-Iranian *wāhana, from Proto-Iranian Hwah-, from Proto-Indo-Iranian Hwas-, from Proto-Indo-European h₂wes- — to dwell, live, reside; to stay, spend the night.

پا خانه (Urdu): lavatory, toilet; faeces, shit

Definitions

  1. lavatory, toilet; faeces, shit

Ancestry of “پا خانه”, step by step

پا خانه traces back through two separate lines of ancestry.

via Persian خانه

StepLanguageWordMeaning
1Persianخانهhouse
2Middle Persian𐭡𐭩𐭲𐭠house
3Old Persian*vahanam—
4Proto-Iranian*wāhana—
5Proto-IranianHwah-to dwell, remain
6Proto-Indo-IranianHwas-to dwell, inhabit; to stay
7Proto-Indo-Europeanh₂wes-to dwell, live, reside; to stay, spend the night

via Persian پا

StepLanguageWordMeaning
1Persianپاleg, foot; with
2Old Persian𐎱𐎠𐎭foot
3Proto-Iranianpā́dahfoot
4Proto-Indo-Iranianpā́tsfoot
5Proto-Indo-Europeanpṓdsfoot
6Proto-Indo-Europeanpódsfoot
7Proto-Indo-Europeanped-to walk, to step; to stumble, to fall
Every word from Proto-Indo-European h₂wes- →Every word from Proto-Indo-Iranian Hwas- →Every word from Proto-Iranian Hwah- →