Northern Thai ᩁᩪ᩶

← Ahom 𑜍𑜥 (cognate)

← Ahom 𑜍𑜤𑜈𑜫 (mention)

← Tai Dam ꪭꪴ꫁ (cognate)

← Lü ᦣᦴᧉ (cognate)

← Lao ຮູ້ (cognate)

← Shan ႁူႉ (cognate)

← Saek รอ (cognate)

← Proto-Tai *rɯːwᶜ (inherited)

← Thai รู้ (cognate)

← Isan ฮู้ (cognate)

← Zhuang rox (cognate)

→ Tai Dam ꪭꪴ꫁ (cognate)

→ Lü ᦣᦴᧉ (cognate)

→ Lao ຮູ້ (cognate)

→ Shan ႁူႉ (cognate)

→ Saek รอ (cognate)

→ Thai รู้ (cognate)

→ Zhuang rox (cognate)