Proto-Sino-Tibetan *g-sum

→ Atong (India) tham (inherited)

→ Pa'o Karen သွံ (inherited)

→ Tibetan གསུམ (inherited)

→ Bodo (India) थाम (inherited)

→ Dungan сан (inherited)

→ Dzongkha གསུམ (inherited)

→ Garo gittam (inherited)

→ Sichuan Yi ꌕ (inherited)

→ Jingpho masum (inherited)

→ S'gaw Karen သၢ (inherited)

→ Western Kayah ꤞꤛꤣ꤭ (inherited)

→ Lepcha ᰠᰦᰮ (inherited)

→ Lashi sóem (inherited)

→ Burmese သုံး (inherited)

→ Newar सो (inherited)

→ Newar स्व (inherited)

→ Namuyi sô (inherited)

→ Western Pwo ၥၧၫ့ (inherited)

→ Rabha থাম (inherited)

→ Chinese 三 (inherited)

→ Zou thum (inherited)