Mon ဂတာံ

← Nyah Kur ฮึตาม (cognate)

← Khmer ក្ដាម (cognate)

← Proto-Mon-Khmer *kt₁aam (inherited)

← Old Mon ဗတာံ (inherited)

→ Khmer ក្ដាម (cognate)

→ Brunei Malay katam (cognate)

→ Malay ketam (cognate)

→ Burmese ကဏန်း (borrowed)

→ Pnar tham (cognate)

→ Semai kantéém (cognate)

→ Vietnamese đam (cognate)

→ Chinese 蟳 (cognate)

→ Mang taːm⁶ (cognate)