Where does “otta” come from?

otta (English) comes from Hindi आटा, from Sauraseni Prakrit ???, from Sanskrit आर्त, from Proto-Indo-Aryan HārHtás, from Proto-Indo-Iranian Hr̥Htás, from Proto-Indo-European h₂elh₁- — to grind; heat; ground.

Ancestry of “otta”, step by step

StepLanguageWordMeaning
1Hindiआटाflour
2Sauraseni Prakrit???—
3Sanskritआर्तdistressed, afflicted
4Proto-Indo-AryanHārHtásthat which is ground
5Proto-Indo-IranianHr̥Htásground
6Proto-Indo-Europeanh₂elh₁-to grind; heat; ground
Every word from Proto-Indo-European h₂elh₁- →Every word from Proto-Indo-Iranian Hr̥Htás →Every word from Proto-Indo-Aryan HārHtás →