An oasis.
Nomads
It got its name from the yellow particles in its sand, originating from the Yellow River.
The word means 'Empy place', and comes from the name of the second largest shifting sand desert in the world, the Taklamakan Desert (Tăkèlāmăgān Shāmò), in China.
An area of the desert with a permanent water source is an oasis.
Nomads is a name for people who do not live in a permanent place but rather move from place to place in search of food, water, and grazing land.
A lack of water.
Meteoric water comes from the sky.
The word "desert" comes from the Latin deserere, meaning to abandon or forsake, much like the landscape of the desert forsakes wildlife and is generally abandoned.
An oasis
Nomads
The word 'Sahara' is a propernoun, the name of a specific place, the name of a specific desert.
Atacama Desert