mbaek1名n刻Engravings, traditionally on bone, for example, the traditional Nong fortune-telling tools used by shamans with a series of engraved marks and notches, a bit like Han Chinese oracle bones.复合Compoundsw'mbaek凹槽notchesʔbak⁵⁵麻栗坡县Malipo County原始台语Proto-Tai*?bak D1L李方桂 1977年Li Fang-kuei 1977.