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