From Proto-Tai *z.ɟɯːꟲ (“to buy”). Cognate with Thai ซื้อ (sʉ́ʉ), Lü ᦌᦹᧉ (sue²), Shan သိုဝ်ႉ (sṵ̂e), Ahom 𑜏𑜢𑜤𑜈𑜫 (süw), Zhuang cawx, Bouyei xex.
ຊື້ • (sư̄) (abstract noun ການຊື້)