Where does “kwátʰatay” come from?
kwátʰatay (Proto-Indo-Aryan) comes from Proto-Indo-Iranian kwátʰatay, from Proto-Indo-European kwh₂et- — to ferment, become sour; to boil, foam.
kwátʰatay (Proto-Indo-Aryan) comes from Proto-Indo-Iranian kwátʰatay, from Proto-Indo-European kwh₂et- — to ferment, become sour; to boil, foam.