Thai รู

← Ahom 𑜍𑜥 (cognate)

← Tai Dam ꪭꪴ (cognate)

← Lü ᦣᦴ (cognate)

← Lao ຮູ (cognate)

← Northern Thai ᩁᩪ (cognate)

← Shan ႁူး (cognate)

← Proto-Tai *ruːᴬ (inherited)

← Nong Zhuang ruz (cognate)

← Nong Zhuang luz (mention)

→ Tai Dam ꪭꪴ (cognate)

→ Lao ຮູ (cognate)

→ Thai รูหนู (compound)

→ Thai รูม่านตา (compound)

→ Thai รูหนอน (compound)