From Proto-Tai *ʰreːŋᶜ (“dried up”). Cognate with Thai แห้ง (hɛ̂ɛng), Lü ᦶᦠᧂᧉ (ḣaeng2), Shan ႁႅင်ႈ (hāeng), Ahom 𑜑𑜢𑜂𑜫 (hing), Zhuang rengx, Bouyei raangx.
ແຫ້ງ • (hǣng) (abstract noun ຄວາມແຫ້ງ)