Thai แพ

← Khmer ពែ (cognate)

← Lao ແພ (cognate)

← Middle Chinese - (cognate)

← Old Khmer bē (cognate)

← Proto-Hlai *ɓəj (cognate)

← Shan ပႄး (cognate)

← Proto-Tai *beːᴬ (inherited)

→ Khmer ផែ (borrowed)

→ Hlai bhai (cognate)

→ Lao ແພ (cognate)

→ Saek เพ๊ (cognate)

→ Thai ทับแพ (compound)

→ Vietnamese bè (cognate)