noun
trove
TROHV/trˈoʊv/
A collection or source of valuable things.
The open chest holds a trove of coins, gems, and jewelry.

Etymology
The 'find' connection comes through treasure trove, literally 'treasure found.' Because this often referred to hidden ancient hoards, the shortened word came to mean a valuable collection or store.
In context
the treasure trove of resources we have. And one thing I've spoken with our Prime Minister about is the need for us to create a national reserve of strategic minerals and oil in Canada.
More examples
- Researchers found a trove of useful letters in the archive.
- The site is a trove of information about local history.
- He discovered a small trove of antique tools.
Forms
trove · troves
treasure noun — a store of valuable things
Similar words
- collection
- Collection is neutral; trove suggests an especially valuable or rich store.
- cache
- A cache is stored or hidden material; a trove emphasizes the value of what is found.