Vietnamese chấy

← English head louse (link)

← Proto-Vietic *ciːʔ (inherited)

← Muong chỉ (cognate)

← Vietnamese chí (mention)

← Vietnamese chấy rận (link)

→ Bahnar si (mention)

→ Khmer ចៃ (mention)

→ Mon စဲ (cognate)

→ Vietnamese ni (mention)

→ Vietnamese chấy rận (compound)