继承自原始占语 *bulaːn,继承自原始马来-波利尼西亚语 *bulan,继承自原始南岛语 *bulaN。
phian¹¹
Thurgood, Graham (1999) From Ancient Cham to Modern Dialects: Two Thousand Years of Language Contact and Change[1],Honolulu:University of Hawaii Press