From Proto-Tai *soːlᴬ (“to teach”). Cognate with Thai สอน (sɔ̌ɔn), Northern Thai ᩈᩬᩁ, Lao ສອນ (sǭn), Lü ᦉᦸᧃ (ṡoan), Tai Dam ꪎꪮꪙ, Shan သွၼ် (sǒan), Ahom 𑜏𑜨𑜃𑜫 (son), Zhuang son.
ᥔᥩᥢᥴ (sóan) (old orthography ᥔᥩᥢ́)