Lao ເຕົ່າ

← Ahom 𑜄𑜧 (cognate)

← Lü ᦎᧁᧈ (cognate)

← Northern Thai ᨲᩮᩢ᩵ᩣ (cognate)

← Shan တဝ်ႇ (cognate)

← Proto-Tai *tawᴮ (inherited)

← Proto-Southwestern Tai *tawᴮ¹ (inherited)

← Tai Nüa ᥖᥝᥱ (cognate)

← Thai เต่า (cognate)

→ Northern Thai ᨲᩮᩢ᩵ᩣ (cognate)

→ Thai เต่า (cognate)