Zhuang beix

← Ahom 𑜆𑜣 (cognate)

← Lü ᦗᦲᧈ (cognate)

← Lao ພີ່ (cognate)

← Northern Thai ᨻᩦ᩵ (cognate)

← Bouyei bix (cognate)

← Shan ပီႈ (cognate)

← Proto-Tai *biːᴮ (inherited)

← Thai พี่ (cognate)

→ Lü ᦗᦲᧈ (cognate)

→ Bouyei bix (cognate)

→ Thai พี่ (cognate)

→ Zhuang beixsau (compound)

→ Zhuang beixnuengx (compound)