From Proto-Tai *saːm (“three”), from Middle Chinese 三 (MC sam, “three”). Cognate with Thai สาม (sǎam), Saek ส่าม, Lao ສາມ (sām), Lü ᦉᦱᧄ (ṡaam), Tai Dam ꪎꪱꪣ, Shan သၢမ် (sǎam), Tai Nüa ᥔᥣᥛᥴ (sáam), Ahom 𑜏𑜪 (saṃ), Zhuang sam.
ᩈᩣ᩠ᨾ • (transliteration needed)