From Middle Chinese 十 (MC d͡ʑiɪp̚, “ten”). Cognate with Thai สิบ (sìp), Northern Thai ᩈᩥ᩠ᨷ, Lao ສິບ (sip), Lü ᦉᦲᧇ (ṡiib), Tai Dam ꪎꪲꪚ, Shan သိပ်း (síp), Tai Nüa ᥔᥤᥙᥴ (síp), Ahom 𑜏𑜢𑜆𑜫 (sip), Bouyei xib, Zhuang cib.
ซิ̄บ (transliteration needed)