This word comes from "Don't be afraid".
According to QQ Music query, "Don't Be Afraid" is a Yi folk song, and "Don't Be Afraid" is a song composed by Yi musician Mo Xizishi (Chinese name Mo Chunlin) in 2008 The song was sung by Vaqiyihe and was later included in Vaqiyihe's personal album "Black Hawk's Dream" released on April 15, 2009.
Excerpts from lyrics: mu hly pur la, ma hxa jjip la, mge qi ci la, syr qy syr la vex, nyix ke pur la mu chur pur la, hxie mop pur la vex.