From Proto-Southwestern Tai *ɟanꟲ⁴ (“layer”). Cognate with Thai ชั้น (chán), Northern Thai ᨩᩢ᩠᩶ᨶ, Lü ᦋᧃᧉ (tsan²), Shan ၸၼ်ႉ (tsâ̰n), Ahom 𑜋𑜃𑜫 (chan).
ຊັ້ນ • (san)