To accept it would require awakening fully into the terrible necessities of Arrakis where they must guard even fractional traces of moisture, hoarding the few drops in the tent’s catchpockets, begrudging a breath wasted on the open air.
There are no more uses of "hoard" in the book.
Show samples from other sources
They found a 7th century hoard of treasure.
She has hoarded so many things, you can barely step into her apartment.