This is the 591st most frequent Vietnamese word.
đắk
"Đắk" is a term in Vietnamese often meaning "water" or "stream" in certain indigenous Central Highlands languages, used in place names.
In this sentence, 'đắk' appears as part of a proper noun, which is the name of a province in Vietnam.
Tôi đang sống tại Đắk Lắk.
I am living in Dak Lak.
Here, 'đắk' refers to water, specifically fresh water or spring water, in the ethnic contexts of some Vietnamese regions.
Nước ở đây rất sạch và an toàn để uống, đặc biệt là nước đắk.
The water here is very clean and safe to drink, especially spring water.
In this instance, 'đắk' still serves as an element of the proper noun referring to a region, characterized here by its people.