chǫ́ǫ́ʼí (“spoiled, ruined”) + -x- (emphatic infix), a truncation of nichǫ́ǫ́ʼí (“to be ugly, filthy, worn out”) (from the root -CHXǪʼ, “to ruin”), with emphatic infix -x-.
chxǫ́ǫ́ʼí