Unlike in the Indo-European or Austronesian language families, numerals in AA languages cannot be traced to a proto-system.
ʌnlˈaɪk ɪnðɪ ˈɪndoʊjˌʊɹɹəpˈiən ɔːɹ ˌɔːstɹoʊnˈiːʒən lˈæŋɡwɪdʒ fˈæmɪliz, nˈuːmɚɹəlz ɪn ˌeɪˈeɪ lˈæŋɡwɪdʒᵻz kænˈɑːt biː tɹˈeɪst tʊ ɐ pɹˈoʊɾoʊsˈɪstəm.