stockpile

From stock +‎ pile. Compare Proto-Germanic *stapulaz (“post”).

stockpile (plural stockpiles)

1. A supply, especially a large one, of something kept for future use.
   • 2017 August 25, Aukkarapon Niyomyat & Panarat Thepgumpanat, "Thai junta seeks Yingluck's arrest as former PM skips court verdict", in reuters.com, Reuters:

     Under the rice subsidy program, Yingluck's administration paid farmers up to 50 percent more than market prices for their rice. The policy was popular with farmers but left Thailand with huge rice stockpiles and caused $8 billion in losses.

stockpile (third-person singular simple present stockpiles, present participle stockpiling, simple past and past participle stockpiled)

1. To accumulate a stockpile.