Where does “sarapa” come from?

sarapa (English) comes from Persian سراپا, from Persian پا, from Old Persian 𐎱𐎠𐎭, from Proto-Iranian pā́dah, from Proto-Indo-Iranian pā́ts, from Proto-Indo-European pṓds, from Proto-Indo-European póds, from Proto-Indo-European ped- — to walk, to step; to stumble, to fall.

sarapa (English): A robe of honour