Storehouse

a building for storing goods (as provisions) : magazine, warehouse

an abundant supply or source : repository <a storehouse of information>
See storehouse defined for English-language learners »
See storehouse defined for kids »
Examples of STOREHOUSE

    <the company has a large storehouse filled with lumber for manufacturing its line of furniture>

First Known Use of STOREHOUSE
14th century
 

Synonyms
    depository, depot, magazine, repository, storage, warehouse

Source

www.merriam-webster.com