𐓄𐒻𐓓𐒻𐓅𐒻̋𐓓𐒻🔊adjective1bad2awful3evil4wickednot good𐒰𐓓𐒻𐒹𐓂͘𐓓𐒻To date, only three terms use "pi." This term is used more frequently in related langauges such as Ponca and Otoe-Missouria. The idea of "pi" refers to "good" in those languages, and the usage here seems to approximate that idea.
