Vietnamese dưới

← Proto-Mon-Khmer *kt₁aal (inherited)

← Proto-Vietic *-taːlʔ (inherited)

← Mon ဂတာ (mention)

← Old Mon kintāl (cognate)

← Vietnamese 𢃄 (mention)

← Vietnamese đái (mention)

→ Vietnamese vùng dưới đồi (compound)

→ Vietnamese đường hô hấp dưới (compound)