Thai เสา

← Ahom 𑜏𑜧 (cognate)

← Lü ᦉᧁ (cognate)

← Lao ເສົາ (cognate)

← Shan သဝ် (cognate)

← Proto-Tai *sawᴬ (inherited)

← Tai Nüa ᥔᥝᥴ (cognate)

← Zhuang saeu (cognate)

← Zuojiang Zhuang sieu (cognate)

→ Lao ເສົາ (cognate)

→ Zhuang saeu (cognate)