From Proto-Tai *saːwᴬ (“unmarried woman”);. Cognate with Thai สาว (sǎao), Lao ສາວ (sāo), Lü ᦉᦱᧁ (ṡaaw), Shan သၢဝ် (sǎao), Ahom 𑜏𑜧 (saw), 𑜏𑜨𑜧 (sow), 𑜏𑜧𑜤 (sawu), 𑜏𑜧𑜈𑜫 (saww), or 𑜏𑜦𑜡 (sō), Zhuang sau.
ᥔᥣᥝᥴ (sáaw) (1963 orthography ᥔᥣᥝ́)