From Proto-Tai *cramᶜ. Cognate with Thai ถ้ำ (tâm), Lao ຖ້ຳ (tham), Lü ᦏᧄᧉ (ṫham²), Shan ထမ်ႈ (thām), Ahom 𑜌𑜪 (thaṃ), Zhuang gamj.
ᨳ᩶ᩣᩴ • (transliteration needed)