From Proto-Tai *cetᴰ (“seven”), from Middle Chinese 七 (MC tshit, “seven”). Cognate with Thai เจ็ด (jèt), Tai Dam chết, Lao ເຈັດ (chet), Lü ᦵᦈᧆ (ṫsed), Shan ၸဵတ်း (tsáet), Ahom 𑜋𑜢𑜄𑜫 (chit), Zhuang caet.
แจ๊ด (transliteration needed)
