Vietnamese rạng

← Bahnar rang (cognate)

← Khasi rang (cognate)

← Khmu - (cognate)

← Khmer ស្រាង (cognate)

← Proto-Mon-Khmer *raaŋʔ (inherited)

← Vietnamese sáng (mention)

→ Vietnamese rạng đông (compound)

→ Vietnamese rạng ngời (compound)