←
Proto-Mon-Khmer *ruŋʔ (inherited)
←
Proto-Mon-Khmer *ruuŋ() (mention)
←
Proto-Mon-Khmer *ruəŋ() (mention)
←
Vietnamese trống (cognate)
←
Vietnamese cổ (mention)
←
Vietnamese lộng (mention)
←
Vietnamese 古⿱弄 (mention)
←
Vietnamese cổ (mention)
←
Vietnamese lộng (mention)
←
Vietnamese lộng (mention)
→
Vietnamese trống (mention)