Vasmer's dictionary mentions different hypotheses on the origin of the name such as English hug-mug, hugger-mugger, or German Kuddelmuddel.
vˈæzmɚz dˈɪkʃənˌɛɹi mˈɛnʃənz dˈɪfɹənt haɪpˈɑːθəsˌiːz ɔnðɪ ˈɔːɹɪdʒˌɪn ʌvðə nˈeɪm sˈʌtʃ ɐz ˈɪŋɡlɪʃ hˈʌɡmˈʌɡ, hˈʌɡɚmˈʌɡɚ, ɔːɹ dʒˈɜːmən kˈʌdɪlmˌʌdəl.