Save Type Country Usage Lao Scripts ບຣູໄນ(Lao) Pronounced Pron. /buː˩.ˈnaj˧˥/, /buː˩˧.ˈnaj˧˥/, /buː˩˨.ˈnaj˩˨/ [key·simplify] Meaning & History Lao form of Brunei.