Khmer ក្ដាម

← Bahnar kơtam (cognate)

← Car Nicobarese ka-tām (cognate)

← Khasi tham (cognate)

← Brunei Malay katam (cognate)

← Proto-Mon-Khmer *kt₁aam (inherited)

← Mon ဂတာံ (cognate)

← Malay ketam (cognate)

← Pacoh atam (cognate)

← Temiar gantam (cognate)

← Vietnamese đam (cognate)

→ Nyah Kur ฮึตาม (cognate)

→ Khmer អុតក្ដាម (compound)

→ Brunei Malay katam (cognate)

→ Mon ဂတာံ (cognate)

→ Malay ketam (cognate)

→ Pnar tham (cognate)

→ Vietnamese đam (cognate)

→ Chinese 蟳 (cognate)

→ Mang taːm⁶ (cognate)