Indonesian sembilan

← Indonesian se- (compound)

← Indonesian ambil (compound)

← Indonesian -an (compound)

← Malay sembilan (derived)

← Proto-Malayic *əsa(ʔ) ambil-an (derived)

← Proto-Malayic *isa(ʔ) ambil-an (mention)

→ Indonesian sembilan belas (compound)

→ Indonesian lima puluh sembilan (compound)